Questions tagged [biology]

For questions about the biology of a pet. It's physical attributes.

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1answer
38 views

Do all koi have the potential to grow to 3 feet long?

I have seen many videos with koi that are 3 feet (around 90 cm) long. However, I also know that some koi from desired varieties are really expensive. If I am buying koi from Petco and Petsmart, does ...
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22 views

Does my kitten have medium length or long hair? [duplicate]

Our six month old kitten is a Maine Coon mix - the person we got him from said he's ¾ Maine Coon and ¼ Bengal but we're not so sure. We were wondering if you think he has medium or long hair? He's got ...
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4answers
7k views

Does purring tire cats?

Hope it doesn't sound like a silly question. Context: My cat is not the most affectionate cat in the world. But sometimes she comes to search for love and to play. When I pet her, obviously, she ...
3
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1answer
132 views

Can a cat know you came thanks to his sense of smell?

As I mentioned in other questions in Pets.SE, I have a cat since 2011 who, sadly, can only live outside my dad's house. Since mid-August I had to move out to another quite small apartment, which is ...
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4answers
5k views

Why do groomers tell you not to shear a long-haired dog in warm weather?

Specifically, I have a Great Pyrenees. I've had groomers tell me that a dog's fur keeps them cool in hot weather as well as keeping them warm in cold. This argument holds as long as the environment is ...
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2answers
456 views

Inhaling or ingesting cat's hairs

I discussed with somebody about the fact that I would like to buy a cat. The answer was that it can be dangerous, but in a different way than I expected. Their argument was that inhaling or ingesting ...
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1answer
81 views

Do cats recognize cats from different litters but same parents? [duplicate]

I adopted a kitten who is now 6 months old. His cat parents just had another litter and I want to adopt another kitten to be his buddy. Will he recognize that the kitten is related to him? I’m worried ...
2
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1answer
103 views

Can dogs shed back to their original coats?

We have a schnoodle and his coat changed from black to silver by his first birthday, just like other pups I’ve read in some previous threads. Now he’s aged to 14 years now and he’s starting to spot ...
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1answer
631 views

Does a pet boa/python measure the owner by lying straight?

I read it somewhere, maybe as a Facebook photo of some Tumblr or yahoo a long time back (hence not a reliable source) that the user found it's pet snake (which was not eating food for quite some time) ...
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1answer
113 views

Are dogs much less sensitive to high noise than humans?

I must admit (a bit shamefully) that I was not aware of the fact that volume is on a logarithmic scale and thus following sentence (source) surprised me: The back seats are closer to 87 dBA, which is ...
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1answer
1k views

Do rabbits feel pain?

An answer at How smart are rabbits? includes the following quote and reference. Rabbits also have no or very underdeveloped pain sensing regions in their brains (source): Even as a predator rends a ...
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2answers
186 views

Why do dogs have black eye juice?

I always wondered; why are the bodily fluids, etc. that accumulate (and usually dry out) in the corners of a dogs (and cats too, I think) eyes black?; but in humans, it is not?
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1answer
11k views

What causes rabbits to spontaneously change gender?

Working with rescued rabbits we often have people who purchased two girl (or boy) bunnies from a pet store or breeder, and a few months later they have a bunch of baby bunnies that need new homes. I ...
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1answer
78 views

Idle mackerel tabby terminology question

It is said that "mackerel tabby" cats (tiger tabbies) always have an M on their foreheads, made of two stripes forming a chevron (^) on each side of the centerline. My two, as shown by ...
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3answers
429 views

How do kittens prevent my cats from going into heat?

I have two indoor cats who're sisters. One of them got pregnant and had kittens, and the sister did not go in heat once during the 3 months we had the kittens. Do kittens prevent a cat from going in ...
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2answers
19k views

Motion-induced dizziness in cats

Humans can become dizzy by spinning around quickly. Small children will occasionally do this on purpose, for the thrill. However, intentional dizziness inducing behavior is (as far as I am aware) ...
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1answer
3k views

Are dogs sensitive to star anise's smell?

I have just read (in Polish) a 1985 crime novel, by Norwegian author Gert Nygårdshaug. It seems, that it wasn't translated to English. Its original title is Honningkrukken. There's a tiny end-story ...
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2answers
245 views

Can dogs see things that humans can't?

The other day I was sitting in my lounge alone and my dog got up and started growling and barking at the air. She wouldn't stop whining and wouldn't take her eyes of this spot for ages. Can dogs see ...
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1answer
131 views

Do house rabbits depend more on sound or vision for warning?

In the related question What is a rabbit's field of vision, range and visual acuity? we learn about a rabbits vision. This question is asking about what is the primary sense a house rabbit uses ...
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0answers
383 views

What is a rabbit's field of vision, range and visual acuity?

I have a pet house rabbit, rabbit eyes are pretty much on the side of their head. They also have great big ears. What can a rabbit really see? How well can they see? Can they see 360 degrees?
2
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1answer
576 views

What does mg/kg in AAFCO's nutritional guidelines mean?

In AAFCO's nutritional guidelines the minimum quantities for iron(adult minimum), for instance is expressed as 40 mg/kg. Does that mean that a dog should eat at least 40 mg of iron for every 1 ...
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1answer
3k views

On average, when do cats stop producing milk after giving birth?

As mentioned in my other question, How can I get my cat to stop nursing on its mother, I mentioned that I was not sure if the mother cat was producing milk, which could be causing my 9 month old cat ...
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2answers
16k views

Do cats recognize their family? Perhaps by scent?

Is there any scientific or anecdotal evidence that cats recognize other cats who closely share their DNA? As in, new kittens from the same mother and the such? I'm suspecting that there might be such ...
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2answers
775 views

Can cats see equally well in both light and dark?

I know that the cats can see in the dark, but I have been wondering: can cats see as well in the dark as they do in the light? Or do they see better in the light?
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100k views

What age do cats stop growing on average?

I've heard humans stop growing around age 18-24. What about cats? When do they stop growing in height?
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2answers
126k views

Diurnal, crepuscular, nocturnal, matutinal, vespertine; what do these mean and how do they impact my pet's life?

A recent answer listed all of these and said the group a pet falls in could impact how they behave: diurnal, crepuscular, nocturnal, matutinal, vespertine. What do all of these mean and how do they ...
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1answer
8k views

Can corn snakes see everything?

Can a corn snake see everything? It seems that my corn snake acts like he can actually see me. If I move somewhere in the room he will look right at the direction I am at. I mean snakes like to do ...
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1answer
4k views

How wide can a corn snake open it's mouth?

I know snakes can unhinge their jaws when they eat food that is large (rats, large mice, etc.), but I don't know how much that helps them to open their mouth. How wide can adult corn snakes open their ...
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2answers
6k views

What are “growth plates” in dogs?

I've heard a lot of people say you should wait until a dogs "growth plates" are closed before fixing them. What does that mean? From what I understand it isn't really a bone structure called a growth ...
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1answer
85 views

What are the “points” in my rabbit's mouth that my vet is referring to?

My vet was looking in my rabbit's mouth and said she had a couple of "points" that might need to be addressed on the next visit. I forgot to ask for clarification and am wondering what he was talking ...
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4answers
56k views

Do rabbits make any sounds?

I'm considering a pet rabbit and i am wondering about noise issues. If Dogs bark, cats meow; do rabbits make any noises, or are they silent?
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1answer
10k views

How do I determine the age of my turtle?

I recently adopted a yellow-bellied slider, and the people who had her said that they had been keeping her for about 10 years, when they adopted her from a rescue house. I don't know how old she was ...