Thursday, April 30, 2015

Win 1,000 lbs of dog food!

We're running a fun contest over on 



You can win 1,000 pounds of dog food, with delivery. 
Keep the food for yourself, or donate it to a rescue or shelter.

All you have to do to enter is visit: https://plexidors.com/contest-2015/  where you answer an easy question and upload a photo of your dog using a dog door. 

It doesn't have to be a PlexiDor - any dog door will do.




Wednesday, April 29, 2015

Dogs and intelligence

Border Collies rank high in all
three forms of dog intelligence and
are generally considered the smartest
dogs. They also excel at getting
into mischief. :-) 
Dogs are clever, no doubt about it. Several studies have been made comparing their intelligence to that of children, and some dogs have been tested on over a thousand words, basic math, and grammar. But, when talking about dog intelligence it's important to understand that just like humans, dogs can be smart in different ways.

Humans have different talents and personalities. This goes for dogs too, and when choosing a dog it's important to take the breed into account.

When talking about dog intelligence, there are three main categories:

Instinctive Intelligence


Instinctive intelligence is what a dog is bred to do and what it will do naturally, without special training. These instincts have been honed through generations, and when choosing a dog it's vital to consider the breed's instinctive intelligence.

That means that not all herding dogs have a knack for herding, but the vast majority will herd being trained to do so, whether it's appropriate or not. Not all hunting dogs are great hunters, but many hunting breeds are likely to give chase.

Adaptive Intelligence


Adaptive intelligence is what a dog is able to learn out on its own. Many smart dog breeds teach themselves to open cupboards and drawers, figure out how to turn on a water tap, and similar unexpected things.

Obedience Intelligence


Obedience intelligence refers to what a dog can be taught to do.

How smart is a dog?


The average dog can learn 165 words without too much effort. Smarter breeds can understand around 250 breeds, and the smartest move 1,000. Depending on breed they can count at least up to five, and they understand addition and subtraction.

When discussing dog smarts, most people think of obedience intelligence. This isn't necessarily related to brain power - some breeds are more eager to please humans than others, and they will be easier to train than a breed that might be smarter but cares less about people.

A dog's brain needs to be trained, just like a human's. If a dog is raised in a stimulating environment, it will learn faster and become smarter than a dog raised in boring environment with little attention. New experiences and challenges are vital for dogs as well as humans.

Ask yourself what you want from your dog. Do you want someone who will learn tricks and do what you tell them, someone who can figure things out, someone instinctively specialized in hunting, herding, or guarding, or a combination? It is also important to understand that many of the breeds who score high in all forms of intelligence have a lot of energy and get bored easily.

~ Maria Sadowski ~

Tuesday, April 28, 2015

Five fun facts about cats

Cats are the world's most popular pets, probably because they're convenient. A cat can give affection and keep a human company while also being self-reliant. They don't need to go see a groomer on a regular basis and they're often content with being left alone to nap.

Dogs have been bred by people for certain characteristics such as herding or hunting. Cats have never been  bred in that fashion, and this might be why the retain more of the wild than dogs do.

If you're a cat person, here are five fun cat facts you might not know:

1. Cats can't taste like sweet like humans do. On the other hand, they can taste things we can't.

2. A domestic cat can run 30 mph.

3. The cat's natural voice range is believed to be outside the range of human hearing. They have learned to communicate within our hearing range, and cats can make over 100 different vocal sounds.

4. A group of kittens is called a kindle. A group of adult cats is called a clowder.

5. Kittens start to dream when they're about a week old, and they sleep a lot because their bodies release a growth hormone when they're asleep.


When talking about the large cats, it can be interesting to know the cheetah is the only cat who can't retract its claws. The Siberian Tiger is the largest cat - a full grown Siberian Tiger can weigh up to 700 lbs.

Do you have a fun cat fact to share?

~ Maria Sadowski ~

Monday, April 27, 2015

Dog breed spotlight: Catahoula

The Catahoula’s official name is Louisiana Catahoula Leopard Dog, and it is believed to be the first dog breed developed in North America. They are named after Catahoula Parish in Louisiana, and they are Louisiana’s state dog.

The Catahoula is an energetic and highly intelligent dog. They like to have a job to do, and that job will be taken seriously. They are outstanding hunting dogs, able to track animals from miles away, and they are often used for herding cattle. However, they also make excellent family dogs as long as they’re allowed to be with the family. They don’t like being alone.

Catahoulas are protective and natural alarm dogs who will alert to anything out of the ordinary. They are naturally assertive, but not aggressive, and they like to take charge.

They have been bred more for abilities than appearance, and can range greatly in size and color. Their typical weight ranges from 40 to 90 lbs.

~ Maria Sadowski ~

Friday, April 24, 2015

Can I put a PlexiDor through the wall?

PlexiDor with aluminum wall tunnel.
Many who install a dog door or cat door puts it in the human door. This is usually the easiest way to install a pet door, but it's not always suitable. Making a hole in a wall can be more intimidating than making a hole in a door, but it looks really nice when the project is finished. 

PlexiDor has wall kits that can be used for stud, brick, block, or cement walls. The wall kit comes with an aluminum tunnel that connects the interior and exterior frames.

The phrase "aluminum tunnel" might not make sense immediately. If you didn't have the tunnel, you'd see the inside of the wall here. Depending on the construction of your house and where you put the door, that can be bricks, wood, insulation, or even empty space into the wall. The tunnel covers the edges safely, and gives a professional appearance.

The bottom tunnel section is sloped to prevent water from entering. The tunnel won't rust, has no sharp edges, and is easy to keep clean.

When you see photos of the PlexiDor, the side with the lock and key goes on the inside of the house. It's easy to think that it's outside, but you don't want to go outside to lock the door.

The PlexiDor as it will look on the
inside of a door or a wall.

There are wall kits available for all size PlexiDors, from the smallest to the electronic. The doors presented on this page all have the silver frame, but they are also available in a durable, baked-on white or bronze finish.

Wall mounted PlexiDor seen from
the outside of the house.

Many worry about safety. The PlexiDor comes with lock and key, and there's a steel security plate that attaches to the frame. There is also an awning available to protect from sun, rain, and snow.

~ Maria Sadowski ~

Thursday, April 23, 2015

World's smallest

If you've ever looked at a kitten or a puppy and thought, "If they could only stay like that" you're not alone. There's something special about tiny animal toddlers. 

Tinker Toy did stay like that. He was a male Himalayan-Persian who grew to be 2.75 inches tall and 7.5 inches long. Tinker Toy died in 1997, and the smallest cat living right now is around 5 inches tall. The world's smallest dog is a Chihuahua who measures 3.8 inches.

It's okay for a cat to be small, but cows are big, right?

As it turns out, some cows are really small/ The world's smallest breed is called the Vechur cow, and the average height is between 31 and 35 inches. The world's smallest cow lives in India, and she measure 24.07 inches from hoof to withers.

Other tiny animals include Thumbelina, the world's smallest horse. She weighs 60 lbs and is 17 inches tall.

Image linked from guinnessworldrecords.com 


The world's smallest hamster is PeeWee, who stopped growing at the age of three. As an adult, he still weighs less than an ounce.

Another interesting record is the world's smallest animal used to detect land mines. This is the honey bee, and the methods used to teach bees to locate explosives is similar to the methods used to train dogs. A big benefit of using bees is that they can naturally recruit other bees and teach them.

Do you have or know a pet that's unusually small or large?

~ Maria Sadowski ~

Wednesday, April 22, 2015

What does that meow mean?

Most cats only meow around humans. Around other cats, they use other types of sounds and communication, and a lot of it happens with their eyes and tails. While cats can seem independent and aloof, they can still make 16 different meow sounds to communicate with us, and different meows can mean anything from "feed me" to "leave me alone."

It is important to learn the cat's habits and forms of communications. Older cats often meow more than younger cats, and this can indicate that they need a little more attention. Some cats meow excessively because they don't like to be left alone.

If your cat starts meowing much more than usual it might be time for a trip to the vet. It can mean the cat is stressed, or hurt. Of course, sometimes they meow just to say hi, because they want food, or attention.


  • To politely say hello to a cat, catch its gaze and look away.
  • If a feline gives you a slow blink, that's is like a wink between good friends.
  • If you cat approaches you with its tail straight up, it's like a handshake. It's happy to see you. 


Do you have a cat? Does he or she "talk" to you?

~ Maria Sadowski ~

Tuesday, April 21, 2015

The bond between dogs and humans


Eye contact between dogs and their owners
release the "love hormone" oxytocin in both.
Any dog lover knows the strength of the bond between dogs and humans. We love them like family, and grieve them like family once they're gone. Many refer to their dogs as their children, and some cultures have special words for pet ownership that mimics the words and relationships between parents and children.

Japanese scientists from the Azabu University in Japan have performed a series of experiments on the dog-human bond, and found physical proof of the connection. Our love for dogs works on the same biochemical basis as our love for our children.

When owner's and dogs see each other and gaze into each other's eyes, their bodies release oxytocin. This is a hormone associated with bonding and trust, and many call it the "love hormone."

Staring into the eyes of an animal you don't know, even a dog, is generally interpreted as a sign of dominance, or as a threat. The scientists think the dogs have acquired the "puppy gaze" that works with their owners as an effort to communicate and form social bonds. This process has gone on for tens of thousands of years.

The experiment also tested owners of wolves. They do not use the mutual gaze as a form of communication and bonding. The connection is unique for dogs, and dogs have proven better at reading humans than even chimpanzees who would logically be genetically closer to us than dogs are.

Read more at cbs news.

~ Maria Sadowski ~

Monday, April 20, 2015

Breed spotlight: Boston Terrier

The Boston Terrier is a small and compact dog often nicknamed the American Gentleman. These dogs are known for being friendly and quiet, and they have a happy-go-lucky personality.

The breed originated in Boston just after the Civil War, and is a result of crossing English Bulldogs with white English Terriers. Most modern Boston Terriers can be traced back to one single ancestor; a dog known as Hooper’s Judge.

Boston Terriers are intelligent and easy to train. Many do very well in obedience, as therapy dogs, and in agility or flyball competitions.

The Boston Terrier is well suited for being a companion and house pet. They require moderate amounts of exercise and a minimum of grooming. They thrive on attention and human contact.

The average weight span ranges from 10 to 25 pounds, and the dogs need a medium PlexiDor dog door.

~ Maria Sadowski ~

Friday, April 17, 2015

Bake for your dog: Apple Oatmeal Cookies

Friday again! If you're ready to hit the kitchen to stir up something good for the weekend, these yummie apple-oatmeal cookies are likely to be a hit with your furry friends.

What you need:


  • 1 cup of instant oatmeal 
  • 1 tsp baking powder 
  • 1.5 cups of whole wheat flour 
  • 1 egg 
  • 1 cup of finely chopped sweet apples 
  • 2 tablespoons olive oil 
  • 0.5 cup water

What to do:


Preheat your oven to 350 F so it's ready when you need it.

Mix the flour, oatmeal, and baking powder. Stir in egg, apples, olive oil, and water, and knead the dough until it's moist but not wet.

Scoop up about half a tablespoon at a time and press lightly.

Bake on parchment paper for about 20 minutes.

You can store the cookies in the fridge for up to two months in an airtight container, or up to eight months in the freezer.

Thursday, April 16, 2015

Five things you might not know about cats

Cats have been mankind's companions for thousands of years, and according to the ASPCA there might be as many as 96 million owned cats in the USA. There are cats everywhere, from leisurely caf├ęs to rugged alley cats. 

Here are five fun cat facts you might not already know:

1. Cats can see quite well at one-sixth of the light level required by a human. That means that we can go out in a night that seems pitch black to us, and they will still see just fine. They can also see other types of light than we do, such as the ultraviolet spectrum.

2. Cats have great hearing, and can hear sounds at an higher pitch than both humans and dogs. The cat's hearing is considered amongst the best of all mammals.

3. Cats don't have as good a sense of smell as a dog, but it's still several times that of a human. Some sources say fourteen times.

4. A cat's whiskers help with navigation. The upper rows of whiskers can be moved independently from the lower rows, and they all the whiskers have numerous nerve endings at the base. These hairs provide the cat with detailed information about nearby objects and air movements. The whiskers can actually let a cat know where something is without it being able to see the object.

5. If cats accidentally make eye contact, they blink and narrow their eyes. If you're trying to make friends with a cat it can help to blink and look away when you catch their eyes.

~ Maria Sadowski ~

Wednesday, April 15, 2015

Five things you might not know about puppies

Puppies are adorable. There aren't many things cuter than a young puppy exploring the world, and the Internet is filled with images of puppy tummies, sleeping puppies, dining puppies, or even a combination with puppies sleeping in their food.

As adorable as puppies are, there are still many things most people don't know about them. Here are five things you need to know about newborns:


1. When a puppy is born, many of the internal organs aren't fully formed. This includes the brain, and puppies are fragile. Handle with care!

2. Puppies are born with their eyes shut. This is because their eyes aren't fully developed. Never try to open a puppy's eyes - this can cause eye damage for life.

3. Newborn puppies are deaf, because their ears aren't fully developed. Forcing a puppy's ears to respond to loud noises before they are developed can damage them for life.

4. Puppies need time with their mom to develop and be taught. If at all possible, puppies should not be removed from their mother until they're at least eight weeks old.

5. Young puppies need to eat several small meals each day. It's not enough to feed the puppy in the morning and evening. 

~ Maria Sadowski ~


Tuesday, April 14, 2015

What to do if your pet goes missing

Missing pets is a pet owner's nightmare, and they can be gone in the wink of an eye. Most of the time they don't mean to leave - it just happens. Dogs slip out of their collar on a walk, jump a fence in pursuit of a cat, or find another way to go chase that oh so interesting squirrel. 

What do you do if your dog does run away?

1. Search the neighborhood.

Start with your normal dog-walking routes, and expand your search from there. Remember to bring a leash and some smelly, yummie foods. A favorite toy that makes sound is a great thing to bring; dogs hear quite well. If you have more than one dog, or if your doggie has a friend, bring them. Show recent photos to everyone you meet, and give people a way to contact you.

2. Tell your neighbors.

Not every neighborhood is suitable for going door to door, but most people are happy to help. Post fliers and tell as many people as possible. On the flier, offer a reward and create tear-off tags with your phone number. Leave fliers at vet offices, emergency clinics, shelters, groomers, pet stores, and everywhere else you can think of.

While you do this, talk to the vets, trainers, and groomers. Someone might pick your dog up and decide to keep him or her. If they seek out a vet or a groomer, you want to know.

Post photos of your dog on Facebook, Twitter, and any other social media available to you.

3. Enroll the mailman.

Postal workers, delivery drivers, and bus drivers go around your neighborhood all the time. Give them a photo of your dog and ask them to call you if they see anything.

4. Search shelter and rescues.

Contact local breed specific rescues, even if they're not right by you.

Search shelters within roaming distance every day - depending on where you live, strays might be euthanized after just a couple of days. It's tempting to just sit down and call, but it's much better to go in person. Whoever answers the phone might not know which dogs are there. Your dog might be designated as the wrong breed or gender. If you're not allowed inside, bring photos.

5. Never give up.

Dogs are tough. Some people look for their furry friends for months or even years before the doggie turns up on the other side of the country. Keep looking, and keep asking people to help you search.

What do you do if you find your dog?

In a perfect world, doggie would come running up to you with a wagging tail, excited to see you. The outside can be pretty darned exciting, though, and other things might be more interesting.

Chasing a dog usually isn't a good idea. Tricking them into a yard that can be closed off is easier. Encourage your dog to run after you instead of the other way around. If that doesn't work, try falling down on the ground and crying out in a high-pitched, distressed tone. Many dogs will run over to tend to their owner.

Have you lost your pet? What did you do?

~ Maria Sadowski ~

Monday, April 13, 2015

Dog breed spotlight: Rhodesian Ridgeback

The Rhodesian Ridgeback is a large and muscular dog developed for hunting lions and protecting the family. They are large and tough enough to corner a wild African lion, while also fast enough to compete with Greyhounds. 

The name Rhodesian Ridgeback comes from a ridge of hair down the back that grows the opposite way from the rest of the coat.

The breed was developed during the 1600s when European settlers in Africa bred their dogs with native African dogs. As time went by, Great Dane, Mastiffs, Greyhounds, Terriers, and other breeds were mixed in. This ended in 1707 when European immigration was closed for a hundred years, and during this time the native dogs got a bigger portion of the mix.

Rhodesian Ridgebacks can be both independent and strong-willed, but they are also loyal, gentle, and reliable. These dogs love to be with their family, preferably curled up on the couch. The breed was created to be versatile, and the dogs have worked as big game hunters, watchdogs, and even herders.

A Rhodesian Ridgeback generally weighs between 70 and 85 pounds.

~ Maria Sadowski ~

Friday, April 10, 2015

Make some healthy dog biscuits!

The weekend is near, and everyone wants an extra treat. If you want to try a new recipe for dog biscuits, this one might fit the bill. 

If you're worried about calories or sugar content, check the peanut butter jar. Some brands have more sugar than peanuts, while others strike a more healthy balance.

What you need:


  • 2 cups whole wheat flour
  • 1 cup rolled oats
  • 1 tbs dried parsley
  • 0.5 cup non fat dry milk
  • 0.5 tsp salt
  • 2 large eggs
  • 1 cup peanut butter
  • 0.5 cup cold water

What to do:

Stir together flour, oats, parley, dry milk, and salt. Add eggs and peanut butter, and stir to a crumbly mix.

Add the water. you might have to add a little more or a little less to get the perfect dough.

To make cookies, you can either roll the dough out and use a bone-shaped cookie cutter, or just roll it out in small balls and press them flat.

Use parchment paper on the cookie sheet to keep the biscuits from sticking. Bake in 300 F. Depending on the size of the cookies, it can take 40-60 minutes before they're crunchy.

~ Maria Sadowski ~

Thursday, April 9, 2015

Frequently asked questions about the PlexiDor pet door

PlexiDor extra large accommodates
dogs up to 200 lbs.
If you need a pet door, the PlexiDor is definitely a good choice. It is sturdy, secure, energy efficient, and comes with a five year warranty. 

Here are answers to some frequently asked questions.

If you wonder something else about the PlexiDor, give us a call 1-800-749-9609 or comment on this post.

You can also click here to navigate to the main PlexiDor website.


Where can I install a PlexiDor?

The PlexiDor can be installed through a door, a wall, or even through glass. The part you see next to the doggie on the picture above goes on the inside of the house.

The PlexiDor units for door installation fits a standard US house door of 1.75" and the frame covers the cut-out edges of the house door.

PlexiDor with wall tunnel
The units for wall installation come with an aluminum wall tunnel that is adjustable from 4" to 12" On the image to the right, the door is seen from the outside of the house. The aluminum tunnel is angled to drain water and snow to the outside.

When it comes to installations in glass, every size door from the small one to the extra large and the electronic PlexiDor can be mounted in a sliding glass door, french style door, or window. To read more about this and to see installation photos, please follow this link.

What kinds of pets can use a PlexiDor?

The PlexiDor comes in several sizes to accommodate everything from cats to dogs weighing up to 200 lbs. The doors on the larger models swing so easily that smaller pets can use a bigger door.

If in doubt, check out this size chart:


The door looks so small. Will my dog really go through there?

If you have the right size according to the size chart above, the answer is generally "Yes." The door isn't meant to be mounted flush with the floor; the pets lift their legs and walk/run over a threshold. The reason for this is that you want the opening to be as small as possible while still being big enough for your pet.

Looking at the chart above, the extra large PlexiDor, for example, should be mounted 12"-14" up from the floor.

Is it hard to teach a pet to use the door?

Pets generally catch on to the idea quickly. Prop the panels open and tempt your cat or dog with a treat. Once they go through with the panels open, try the same thing with panels closed. Many pets who won't use other pet doors still like the PlexiDor because they can see the other side through the panel.

What warranties do you have?

The PlexiDor comes with an unconditional 90 day money back guarantee. Shipping charges are non refundable, but the factory will refund the purchase price in full.

The PlexiDor also comes with a 5 year warranty. Any defective part will be repaired or replaced, including standard shipping charges, for five years from the purchase date. Labor is not covered.

This warranty covers residential use. Commercial kennels should use the BiteGuard line of pet doors.

My dogs chew on everything. Won't they destroy the door?

Some dogs do like to chew. The PlexiDor extra large is specially constructed both for heavy dogs and for dogs that like to chew.

Do you have a door that will let my dog out but keep the cats inside?

We can't guarantee that. The PlexiDor Electronic opens only for pets with a key, but cats are quick and can follow the dog outside.

How does the PlexiDor Electronic work?

It's like a miniature garage door for pets. The pets allowed to use the door get collar keys with RFID. The keys are waterproof, shock proof, and do not require batteries.

When the key comes close to the door, the panels slides up. You can program how long the door will stay open, and since there are thousands of RFID codes you can feel confident the door will only open for your pets, even if other animals in the neighborhood have similar keys.

~ Maria Sadowski ~

Wednesday, April 8, 2015

Watch out for dog flu in Chicago

Anyone who has had the flu knows it's a pesky disease. When it makes the news it's normally about people, but this time the virus is the canine version, and Cook County are in the midst of a large outbreak.

Over a thousand cases of the dog flu have been reported, and there are probably more dogs that just haven't gotten to a vet. At least five dogs have died.

Symptoms of the dog flu include coughing, fever, lack of appetite, runny nose, and depression. The disease can't be transmitted to humans, but a human can carry it between dogs, so pay extra attention to hygiene.

Pet owners in the area are recommended to avoid dog parks, doggy day care businesses, and similar places where there are groups of dogs. Some places have even closed in an attempt to contain the outbreak.

A dog can carry the virus even if he or she doesn't show symptoms. There is a vaccine available, but it takes up to two weeks for it to protect the dog. Consult with your veterinarian!

If you live in the area and plan to travel with your dog, take precautions so you don't spread the disease.


~ Maria Sadowski ~

Tuesday, April 7, 2015

Hero dog saves owner from seizures

When Danielle Zuckerman adopted a pitbull from a shelter, she expected to get a new furry friend. As it turns out, her dog Thor is much more than that. 

Danielle has a spinal cord injury, which occasionally leads to seizures that can last up to five minutes. A few days after the adoption, the otherwise quiet dog jumped up on her lap and barked. Ten minutes later, she had a seizure.

This happened over and over again: eight times over a two month span.

According to Danielle's doctor, she releases hormones before a seizure. This is undetectable to a human, but not to a dog. Thanks to Thor, she now gets early warnings and can take medication that will cut the length of each seziure.

Read more here.

~ Maria Sadowki ~

Monday, April 6, 2015

Breed spotlight: Leonberger

The Leonberger is a very large dog known for being friendly and eager to please. The breed originated in Germany in the 1800s, and they are wonderful family dogs. Many also excel as working dogs in many fields, particularly as therapy dogs.

When looking at a Leonberger, speed and agility might not be words that come to mind, but these dogs are surprisingly energetic, light on their feet, and agile.

They need exercise, but to well in all sorts of living quarters. To a Leonberger, being with the family is more important than having lots of room.

Most Leonbergers love to swim - they even have webbed feet - and they are good at water rescue. They are related to Newfoundlands as well as Pyrenean Mountain Dogs and St. Bernards.

~ Maria Sadowski ~

Friday, April 3, 2015

Happy Easter!


Happy Easter!

All of us here at PlexiDor Pet Doors hope you have a wonderful Easter holiday!

Thursday, April 2, 2015

Be careful with your cat and Easter Lilies

Easter Lilies are dangerous to catsIt is Easter time, and with the season comes many special flowers that bring joy and a sense of spring. Easter Lilies aren't dangerous for dogs or humans, but they are quite poisonous to cats.

Each part of the Easter Lily is toxic to cats: leaves, stems, petals, and pollen. If you see your cat licking an Easter lily, or nibbling a leaf, call the vet. Also be observant on pollen falling from the flowers - cats can ingest this while grooming themselves, and even such a small amount can lead to severe kidney problems or kidney failure.

Symptoms develop in six to twelve hours after exposure, and the signs of poisoning include:
  • Vomiting
  • Loss of appetite
  • Dehydration
  • Lethargy

Some cats also stagger, become disoriented, or suffer seizures.

If your cat ingested any part of an Easter lily, it needs treatment at once. There aren't any antidotes to lily poison, and the vet will administer drugs to bind the poison and give intravenous fluids to flush out the kidneys. They will also monitor the kidneys through blood testing. If the cat gets treatment quickly, all this will be easier on both the pet and your wallet.

Other types of lilies known to be poisonous to cats include Tiger lilies - common in yards - Day lilies, and Asiatic lilies.

Amongst lilies that usually do not pose a problem to cats we find Peace lilies, Calla lilies, and Peruvian lilies.

It's always a good idea to keep the numbers to your regular vet and pet emergency rooms saved in your phone and written down somewhere you can find it even in a time of stress.

~ Maria Sadowski ~

Wednesday, April 1, 2015

Dogs aren't color blind, but they see differently from us

Dogs being color blind is an old myth that just won't die. A lot of people think animals experience the world as gray, but this isn't true. They see other colors than we do, but they definitely see colors.

Dogs' eyes are focused on a spectrum containing yellows, blues, and violets.

Red, green, and orange as we see it would appear as yellow or blue. I'm guessing my lush green yard looks like a yellow field with yellow bushes carrying yellow flowers.

It's interesting how many dog toys are yellow, orange, or red, because this lets us see them better. From the dog's point of view, a blue tennis ball might be much more visible than a yellow one. They find them anyway, because dogs have a great sense of spotting movement.

Image source: http://www4.uwsp.edu/psych/dog/la/davis2.htm


An eye contains two types of photoreceptors: rods and cones. If I got this right, a human eye has many types of cones, which allows us to see many different colors. A doggie eye has more rods. Thus, dogs have much better night vision and ability to track movement than the human eye. On the downside, they see fewer colors and less details.

There's another big difference between a dog's eyes and a human's. Their eyes are placed on the sides of the head while ours face forward. This means that they get a visual field of 250 degrees, and humans only have a field of 190 degrees.

Image source: findretrievers.com
They have much better peripheral vision than we do, but we can focus and judge the distance to an object better.

~ Maria Sadowski ~