Questions tagged [zoology]

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

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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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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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does a cats claws becomes less sharper every time they use it?

OK so sometimes cats scratches tree in order to keep their claws sharp so is it true that every time a cat or any other feline uses it claw, there claws become less sharper
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Unable to identify bug/insect in house

I am not able to identify this bug/insect. I stay in Dubai and have been noticing this bug/insect in my apartment since a week now. It is so tiny that it's difficult to notice. The image below has ...
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If the insects see so bad, how do they see each other? [closed]

This is supposedly how various animals see: But I have read that bees can communicate various signs with dance in air, such as location of flowers etc. Other insects perform dances for sexual ...
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Why are Aardvarks capable of burrowing given their size?

I was wondering if large animals could possibly dig extensive burrows for themselves to live in. The polar bear burrows, but snow is not dirt. The aardvark goes about 4' long, ~150 lbs: similar to a ...
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Species Identification : Worm like insect but broad at back [duplicate]

Can anyone help me identify this insect Location: Southern India Size: About 2cm It looks like a worm but has a broad back, it seems like (not very sure) it tucks it's thin head inside the broad ...
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Unidentified Spider

Apologies for the rubbish quality of the image, but I found this spider while in the shower. I’m not exactly sure what species it is and wonder if someone can help me out. I live in southeast ...
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Can you explain the behavior of this snake?

I just saw this video in which a snake is swallowing a grape. ("Whip snake eating grapes"). In the video, the snake just doesn't eat but goes on to swallow 2-3 grapes. I did some research on the ...
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Where does Embryo Implantation occur?

Where does the embryo get implanted? If it is in the uterus side wall, why is the embryo shown hanging from top in some pictures?
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how many times can a spitting cobra spit its venom?

exactly how many times can a spitting cobra spit its venom at a predator it has a small venom sac, so I presume it can only spit once or twice only
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How difficult is it for wild birds to find food?

This question came to my mind when I was wondering if my parrots would have it better on the outside than with me. Also, is starvation a significant cause of death at different stages in a bird's life ...
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Melanistic Snow Leopards?

Are there any confirmed cases of melanism in snow leopards? I am aware that melanism is much more common in Jaguars and Leopards, both often called black panthers, but I cannot seem to find any info ...
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Can horses creep? [closed]

I am wondering whether horses can creep (move on their knees). Based on my experiences with them I would assume they are too weak to put their full weight on them. I could find nothing on Google ...
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Oakland California spider in home

Found this critter this morning on a stack of clothes. About the diameter of a penny and in my haste to rehome it, took only this photo. The belly was golden brown.
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Are there any animals that are unable to hear the human voice?

Humans and animals have different hearing ranges. The frequency range of a human, for example, is stated with 20 Hz to 20 kHz, whereas the fundamental voice frequency is stated with 125 Hz for men, ...
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Is there a conformal transformation that maps the skull of Panthera tigris to the one of Panthera leo?

While visiting the Museum of Natural History in Rouen a few months ago, I was stunned by the similarity between the skulls of Panthera tigris and Panthera Leo: the overall shapes were very similar and ...
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the blue whale calf gains 200 pounds per day- amazing biotransformation [closed]

MY main research topic is TIME in relation to biology the blue whale calf CONVERTING mothers milk to fuctional bio-mass(up to 200 pounds/day) IS amazing-if this secret could be uncovered and used in ...
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What kinds of fish tend to have a rapid death after being caught?

I am asking this question because I am trying to make my diet less cruelty-oriented, for this reason this question can be related to trolley problem since I am coping with an ethical problem trying to ...
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Does parasitism, one of Bacteria's lifestyle?

The parasite is an organism that lives in or on a host. It depends on its host for survival. Bacteria lives in decaying organic matter, within human organism (colon, oral cavity). It can be a ...
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What Kind of Bug is This

I found this bug in southern Florida in February. It was approximately 1cm long or less, fully extended. What type of bug is this?
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Hippos in infrared

Watching Netflix's "Night on Earth", I discovered that Hippos, or at least some Hippos, have quite a weird appearance in infrared. They seem to be covered by IR bright spots all over their body, ...
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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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What is this animal looking like an Axolotl?

My friend caught a strange looking animal and he's saying it is an axolotl. I keep telling him it's almost impossible, since they are almost extinct in their natural environment and he caught it in St-...
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What do oxpeckers eat from thick-skinned hippopotamuses and rhinoceroses?

Noted for their thick skin are both rhinoceroses (1.5 to 5 cm) and hippopotamuses (6 cm). They are further noted for their symbiotic relationship with bird called an oxpecker: Both the English and ...
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Identify an animal (Japan, urban area)

I met this animal yesterday while walking along a small river in Yokohama, Japan. It came out of the bushes some 5 meters away from me, but while I was launching the camera app on my smartphone, it ...
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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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Help me identify this animal from Bangladesh

I have come across this animal in a facebook group. After one group member identified it as Asian palm civet, I looked at some google images, I am not convinced. Judging from google images, this ...
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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 evolutionary advantages does a longer muzzle have against a shorter muzzle and vice versa

Basically I'm curious as to why when it comes to mammalian predators that some like say bears and canines tend to have longer muzzles than those like big cats. aside from their ancestors/evolutionary ...
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Eagles carrying off a goat to its nest: How heavy is the young goat? How strong is the eagle? Here is my guess:

I posted a related question, here, trying to identify the exact subspecies of animals. In the documentary El Hombre y la Tierra, a golden eagle carries off some sort of juvenile(?) goat. The Japanese ...
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A theory about the possible connection between protists and first animalia

I learnt that organisms within Kingdom Animalia can be either microanimals or (nonmicro)animals. a microanimal is any Kingdom Animalia organism that in general cannot be seen by a human eye without ...
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What's the technical terminology for call-and-respond type behaviour?

The groups of some species such as water birds display a behavior that once out of line-of-sight a member will periodically initiate an interaction by make some type of sound, which will be followed ...
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Lotka-Voltera predator prey model isocline?

In lotka voltera predator prey model, why do we get a straight isocline with variable prey/predator population for single value of corresponding predator/prey? I understand that we get the prey ...
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What pigment is responsible for the formation of blue skin color in some animals?

Not long ago I read about Vervet monkey. Here's picture: My question is what causes this blue coloration of the scrotum? I don't mean evolutionary need (e.g. attracting females), but what pigment or ...
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What specimen of caterpillar is this?

Early this morning, I found this beautiful caterpillar specimen crawling over a leaf: This specimen was found today morning (spring season) in Brazil at Porto Alegre City 30°01′59″S 51°13′48″W. With ...
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What is the current status of the taxon Crocodylus raninus?

What is the current status of the taxon Crocodylus raninus, the Borneo Crocodile? See Wikipedia Is it now a valid species, a subspecies of Crocodylus porosus (The Saltwater Crocodile) or merely a ...
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Helix aspersa or Cornu aspersum

The common garden snail was originally assigned as Helix aspersa and stayed that way for over 200 years. Recently, some biologists assigned it to the genus or subgenus Cornu renaming it to Cornu ...
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What are the most important structuring features of epipelagic habitats? How do these affect epipelagic zone animals?

The epipelagic zone is a featureless environment with no reference points. There's a lack of shelter from predators or substrate on which to rest. What other structuring features are there and how to ...
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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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What is the effect of self envenomation on reptiles? [closed]

If a venomous lizard bites its own tongue will it die? I've searched the whole internet and I am unable to find a reliable answer on self envenomation.
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Are there animal species where some females have greater amounts of male-associated qualities than average males?

In the human species, some women ( a meaningful, though not large percentage) are taller and stronger than the average man. Is a similar thing true in the animal kingdom? Are there some meaningful ...
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Which birds are capable of flying both forward and backwards?

Very random question - but it's often said that the hummingbird is the only bird that can fly backwards (for example, https://www.worldatlas.com/articles/which-is-the-only-bird-that-can-fly-backward....
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Which bird is this?

Found this today in my neighborhood, my mom says it's a baby vulture and she has seen many during her childhood (in 1970's) while she lived in a small town around 200kms away from our city. However I ...
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ANyone ever heard of a Cat Stacking small rocks?

Our 6th or 8th generation Savanah Cat has been taking the 1.5 - 2" out of our path and placing them in our yard in a small circle, atleast placed next to each other. We couldn't figure out how they ...
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What is this insect? (Location: Hong Kong; size: 8 mm long, 4 mm wide, 2 mm thick; color: black with some brown at center on the top)

What is this insect? (Location: Hong Kong; size: 8 mm long, 4 mm wide, 2 mm thick; color: black with some brown at center on the top) The insect in the picture was slightly damaged after an ...
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Predatory animal tracking methods

As far as I know, humans are the only animals that use visual references to track prey that is not immediately visible to them. Do any other animals do this? I'm not referring to stalking prey ...
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How do we know how long hermit crabs live in the wild?

This article states that hermit crabs in the wild are extremely difficult to track because they constantly change shells and even gender. Later in the article, they say that hermit crabs can live 4 ...
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Is there an adhesive that could used for larval fish?

I am currently working on an experimental design that requires a larval fish (~ 4mm long) to be affixed on a metal wire tip on its dorsal side. Now, I was thinking of a glue or adhesive to do the job, ...
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Found this spider in my garden

I found this guy in my backyard. I have no clue what he is, though I'm assuming it's a jumping spider after doing a little bit of searching. For context, I live in Southern California, close to being ...

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