Questions tagged [zoology]

The biological study of animals. Very broad use so be sure to add additional clarifying tags

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Is there any evidence contrary to the pheromone theory of bee washboarding?

I've heard beekeepers say they "don't know" what the function of washboarding is. James F. Taulman suggested in a 2017 study that the primary function of bee washboarding is the application ...
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Are these bedbugs, or what kind of bugs?

I just moved into this house a week ago and just noticed these tiny bugs around my plaster wall. I wouldn’t of noticed them but I felt them in my arm walking, I looked at my wall and saw a bunch of ...
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If species are reproductively isolated, then how are interspecific hybridisations carried out?

during fertilisation there is compatibility test done so that both sperms and eggs are of same species. the zona pellucida of egg bears sperm specific receptor proteins(ZP3 receptor proteins) which ...
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What is this moth?

I found this moth sitting on a flower of mine in northwestern Indiana. Anyone know what species this is?
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Bed bugs or something else?

me and my partner had itchy patches that looked like bites so we were scared we might have bed bugs and we found a bunch of these creatures behind the bed in between the frame and a concrete wall as ...
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Is there any animal database or website that classifies animals as wild / domestic?

Is there any animal database or website that classifies animals wild / domestic? Or.. the site that I can get the wild / domestic information of animal list...
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why horned lizard's blood has no effect on predatory birds and does it also works on any other creatures too?

so a horned lizard's blood tastes foul to canine and feline predators, and this also works on human, this is because of its diet of highly venomous harvester ants https://www.youtube.com/watch?v=...
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Kidney: Is added resistance on proximal tubules a function of the narrowness of the descending limb?

The efferent arteriole has a smaller diameter than the afferent arteriole. This forces the part of the blood that is able to leave the blood vessels of the glomeruli (excludes large bodies like blood ...
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Why do flexor and extensor group of lower limb attach on opposite sides in forelimb of mammals?

The flexor and extensor group of the forearm attach on the medial and lateral condyle of the ulna respectively. What is the evolutionary explanation for that? Selected for to favour internal and ...
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What animal’s part of skull is this?

Today I found a part of skull (and some other bones) near my house. It has some teeth on it, so I guess it should be identifiable: Judging by its size I think most probably it’s either a domestic cat ...
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Dust mites do not live on a latex pillow?

A lot of latex pillow advertisements have "It prevents dust mites". By that, I think it would mean that dust mites do not want to (or cannot) live on the latex itself, not on the fabric cover. I ...
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Is this statement about caterpillars right?

I've read in lots of sites statements like the following from the Sciencing site "Inside the chrysalis of a butterfly, a caterpillar's body turns to liquid form and it is rebuilt as a butterfly." ...
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Animal identification by sound

These sounds were recorded at night, a couple of days ago (April 2020) at Mongaup Valley, NY https://www.youtube.com/watch?v=o_CX6Puq7zg What creature produces sounds like these?
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What do we know about “continence” in animals?

What do we know about continence in animals? In particular, what do we know about the development of continence in animals? By "continence", I'm referring specifically to whether or not a wild animal,...
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How did the tunicates evolve ability to reproduce by budding?

It seems that last common ancestor of chordates and last common ancestor of bilaterians could not reproduce by budding. If so, how it comes that tunicates developed budding? Are there other ...
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Motor innervation sites across skeletal muscle

Along the length of a skeletal muscle, what are the general patterns for motor innervation? Are motor nerve endings confined to certain regions, or are they more distributed equally throughout the ...
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Is any animal born adult-size?

Size growth after birth seems to be the norm in the animal kingdom (as well as among plants). This makes sense. It's evidently physically challenging for an animal to produce an offspring of its equal ...
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Can it always be determined if an animal is a carnivore, omnivore, or herbivore by its teeth or are there exceptions?

Take the panda, for instance, it has canines but it's an herbivore. However, are there are other aspects of its teeth where one could still tell that it's an herbivore? Do the teeth always relay the ...
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Do any non-human species have juveniles that cannot communicate with adults?

Human babies take 1+ years to begin learning how to speak (though sign language can be learned a bit earlier1). I know that cries, yells, and other non-linguistic sound are a simple form of ...
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What ant is this?

I'm really really confused about these ants. Basically they come to our home when grain is on floor or there is something sweet. The lenth is around 7 mm - 10 mm. May vary a bit. The front side is ...
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is there any kind of paw/pads lines or paw muscle anatomy in animal hands?

just like in the title my question is, is there any kind of paw/pads lines or paw muscle anatomy in animal hands? or its pretty much random? example like mammary lines as bilateral structure that ...
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Why can't geese regurgitate food?

I saw this harrowing video on how barnacle goslings have to jump off very high cliffs because the parent's can't feed them. The death rate seems high. Why did natural selection come to favor jumping ...
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Where can I find extensive information on animal blood types and transfusions?

I'm interested in doing research on different animal blood types, including blood transfusion across different species. What are some resources you could recommend for me?
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What is that? Dry brown fungus? See photo please

It has appeared two days in a row on my balcony, at exactly the same place. There's nothing near that can give me a hint of what it is. The birds can access the place easily. It's an inch in size, it'...
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Is it safe to feed the squirrels?

I hope this question fits here, I haven't found another community where it would fit. Two years ago I was in a hotel in Sri Lanka (south-western coast) and in the hotel gardens there were a lot of ...
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Why do leeches lose septae due to parasitism?

So I found this piece of information in my textbook without a proper explanation, and I can't seem to find the relation between the two.
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Is this a Zelus luridus?

I found this little bug on my bed and I got curious to know what it was, I did some researches and then I noticed that it is very similar to Zelus Nymph but I can't be sure of it. Can you confirm it? ...
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What was the cause of some egg-laying animals evolution to animal-laying?

Is there a specific reason for this evolution? Are no egg-laying animals more complex beings so their embryonic development requires more time and better nutrition conditions?
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Is there animal other than human that can recognize distal causes?

We know animals can recognize proximate causes. For example, if animal A hits animal B and injures it then usually animal B is able to associate animal A with his injury. From our everyday experience ...
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Which extant species has the largest horns?

Among the bovids (cattle, antelope and all member of the Bovidae family): which species has the largest and longest horns? Please answer when including and excluding domesticated livestock and cattle. ...
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How are non identical cattle twins capable of transplanting each others organs?

Non identical cattle twins have different genes and by this their immunesystem works differently so initially it was suspected that eg tissue transplantation from one to the other would be rejected by ...
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Why do some armadillos roll into a ball while others don't?

My question is pretty simple that why do some species of armadillos (like three-banded) roll into a ball, while others don't?
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Why does decreasing intake of protein prolongs the lifespan of a fly?

A book I read about aging suggests that it is established that a fly lives much longer when it is fed less protein. What does protein intake has to do with the lifespan of an organism? Why not ...
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629 views

Germ layer and platyhelminthes

Some introductory biology textbooks state that sometimes the body cavity is formed from pouches pinched off from the endoderm. So, I am interested in understanding what 'pouches pinched off' actually ...
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Why do I often see male robins with female robins?

Even when it is not breeding season for robins I still often see male robins with female robins. But why? I know that the male robin often chirps to find female robins within his territory. I also ...
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1k views

Saline solution for animals

A popular "well-known fact" is that all creatures on Earth consist mostly of water (i.e. H2O). Indeed, a liquid called "normal saline solution" is just a solution of 0.9% sodium chloride in distilled ...
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1answer
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Want to know about a creature which bite me

I am Sachin from MP India. Few minutes back I have gotten bite by a creature. What is its name? Is it harmful if I got bitten by it? Feeling little pain there.
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1answer
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Do birds have quadriceps and thighs fused into their hips?

I'm looking at 3D modeling a large bird like an emu or ostrich, but I don't know how the muscles surrounding the femur connect to the hips/back. It seems weird that the entire thigh and quadriceps ...
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1answer
1k views

Can ants survive a plane ride?

I just came back home a few hours ago from the airport and my aunt had peaches in her car full of ants. This made me wonder if the ants had joined us from the plane? This leads to the question can ...
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1answer
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Can elephants trumpet when they have water in their trunks?

I am writing a fun story about elephants and want to know if elephants can trumpet or at least, make noises when they have water in their trunks, like when they are drinking water. Thanks for your ...
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1answer
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Do the individual claws of a bear have names?

The question seems pretty self-explanatory (if perhaps a little odd). Anatomical names or colloquial names are both appreciated, especially the latter if they exist.
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Is there alternation of generations in animals other than cnidarians?

Are there other animals besides cnidarians that exhibit alternation of generations (having distinct sexual and asexual life stages)? If so, what are these animals? Further, why do so few animals have ...
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question about cat's claws?

ok so I went and read this website: https://www.yourpetsbestfriend.com/your_pets_best_friend/2010/03/why-cats-sharpen-their-claws.html So I have some questions to ask: how many times does a cat has ...
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1answer
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Square-cubed law and health

Does the square-cubed law lead to possible health detriments for taller people? I'm not sure what the optimum height is for humans (e.g. due to their cross-sectional bone density constraints), but ...
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1answer
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What is this hard shelled insect in my house?

I moved to a new city in west India last year and I've since, on several occasions, seen this insect on walls and it's usually climbing using its head. It has a greyish long shell and moves in a very ...
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Can anyone help me identify the size of a mantis shrimp club?

The mantis shrimp punches with it's club to destroy its prey's shell. I found on the internet that its body size is around 4 inches. What's the size of it's club?
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Sprawling locomotion, are knee/elbow joints perpendicular to erect locomotion?

The first terrestrial animals used sprawling locomotion. Is the knee and elbow jointed perpendicular to the joints in erect locomotion? It is easy to assume so, based on how the limbs move in ...

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