Questions tagged [zoology]

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

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2answers
6k views

Insect identification - pantry moth vs clothes moth

Are the following insects a pantry moth or a clothes moth? I live in Europe, if geographical location is of importance in this case. The insects are about 7 - 10 mm in length. For several months I ...
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0answers
42 views

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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0answers
48 views

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 ...
9
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1answer
1k views

Identification of a small to mid-sized, yellow moth species found in India at monsoon season

I am from India and it's monsoon here. What is the name of this insect? Description: Length: ~4cm Width: ~2.5cm Color: yellow, almost uniform across the wings. Slightly darker, dandelion yellow ...
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1answer
279 views

How do beavers learn how to build dams?

I was wondering whether all beavers, from all around the world, know how to build dams and lodges? Do they need to learn it from their parents? If you release a group of beavers in the wild that haven'...
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0answers
15 views

In what ways does the number of legs affect an animal's functioning?

After much research, I've only been able to find specific examples of leg-number's impact on locomotion and dexterity (and/or object manipulation). I feel as though there must be other ways it has a ...
2
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1answer
48 views

What is this snail? (Location: Bangkok, Thailan; size: 3 cm long, 5 mm wide; color: mostly black)

What is this snail? (Location: Bangkok, Thailan; size: 3 cm long, 5 mm wide; color: mostly black) Video: https://youtu.be/vxig5QOSoss
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1answer
72 views

What is the name of this insect? Is it venomous or possess any threat to human life if someone gets stung?

I found it in Northern part of India, on a mango tree. When I intended to move it away from home, it seems to bite like a snake with front part lifting like a king cobra. This insect is 6-7 inches ...
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0answers
22 views

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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3answers
4k views

Why is Portuguese man o' war considered a colony?

The wikipedia entry on the Portuguese man o' war says: ... the Portuguese man o' war is ... not actually a single multicellular organism but a colonial organism made up of many highly specialized ...
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0answers
50 views

What spider is this

Live in London I have this in my backyard. Want to know what kind is it...Also does it bite?
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1answer
61 views

What is this insect seen in Northern Italy?

I am from Northern Italy, close to the border with Slovenia. I saw this thing today on the window, and was sure it was a piece of a dry rosmarine branch carried there by the wind - until it started ...
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0answers
15 views

Have Bonobos and Chimpanzees competed?

After reading de Waal's "Our Inner Ape", I'm left with the impression that chimpanzees would easily drive away or kill-off bonobos, if they were to compete for the same territory. Have there been ...
7
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1answer
6k views

What are these shrimp-like insects in my cat's water bowl that appear overnight

Our family has 2 cats and a dog. We keep food and water bowls outside for them. We clean and refill the water bowls every day. Almost every morning, the water bowl is teeming with small aquatic ...
9
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2answers
849 views

Are all quadrupeds edible? [closed]

I wonder if all quadrupeds (or, mammals, at least), are edible? From what I have collected, even down to fish, everything is edible apart from being sick or infected, and, apart from some glands ...
1
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0answers
28 views

What species is this marine invertebrate sighted 2m below the surface near Halifax, NS?

This image was taken at ~2m depth, with a small ROV in Halifax, NS in May. We're in the Northwest Atlantic Ocean and as far as I know, don't have gooseneck barnacles. Considering that it may be a ...
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1answer
28 views

Animal body size determination for abundance

Does an animal being small or large determine its abundance?
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1answer
144 views
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1answer
80 views

what kind of lizard is this

Found on ground by house in residential neighborhood in Fort Pierce FL. looks mature maybe 17".
8
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1answer
139 views

strange creature

We live on the Gulf Coast in Corpus Christi, Texas. There was a big thunderstorm that dumped several inches of rain at our home. We live about a quarter of a mile from the bay. My daughter found it ...
-6
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1answer
32 views

In north America is their mammals that can survive from falling from hundreds of feet? [closed]

Like animals have great attributes but is their any mammals that have unique attributes to survive such fate of death?
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0answers
19 views

Ants and their love for sweet and sugar [duplicate]

I have observed many times that ants are able to reach the box where sweet items are kept even if the box is kept in secret. How do they identify it??
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0answers
12 views

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 ...
6
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2answers
255 views

Can you explain the behavior of this snake?

I just saw this video in which a snake is swallowing grapes. ("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 ...
0
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1answer
37 views

Mercury intoxication in cats

I was not sure if this question is more appropriated to be here or in Pets Exchange. I'm posting here first. I accidentally broke a thermometer in my bedroom and, by my lack of attention, have spread ...
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1answer
57 views

Why bother studying SARS-CoV-2 in mice? Why not start with rats?

Mice, hamsters, ferrets, monkeys. Which lab animals can help defeat the new coronavirus? | Science | AAAS Other SARS-CoV-2 researchers are turning to rats. They are no more susceptible to COVID-19 ...
6
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1answer
261 views

What is this long, thin and segmented insect I found in my house in India?

Found this inside my house, along the wall, there were few going somewhere few distance from each other. I suspect it is a centipede but didn't found similar images on Google. What is this? Location:...
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0answers
95 views

What kind of worm/bug is this?

Recently, I found a few worms in my bathroom and I am wondering what kind of worms are they. They move slowly and they are about 6-9 millimetres long. It seems that they are not sensitive to water. ...
4
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3answers
7k views

What is Biradial Symmetry?

I am trying to visualize biradial symmetry. I have read the section in the Wiki entry on Symmetry in Biology but it is quite brief and there is no example to illustrate it. I haven’t been able to find ...
4
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1answer
21k views

Can prawns be classified as fish, or is their position ambiguous?

Today a zoologist told me that prawns and fish are very similar, but zoologists/taxonomists have put them in different categories because their distinction is unclear (like hydrogen in the periodic ...
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0answers
6 views

What external signals do tell catadromous fish to go from the sea to the rivers?

What signals do tell catadromous fish to go from the sea to the rivers? Is it photoperiodicity? Are there any other signals?
2
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1answer
115 views

What are these lentil like eggs? (Utah, United States)

I've found these (what appear to be eggs) attached to an apple tree in central Utah USA. The eggs are less than 1/2cm in length, have a waxy appearance and are attached to the branch at one end. ...
6
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1answer
82 views

Can you identify this snake?

On a walk through I’ON Swamp/Natural Forest in Mt. Pleasant, SC, we came upon this snake. We did not get too close for fear it may be poisonous. It had a very dark brown/taupe exterior with almost a ...
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1answer
3k views

Do amphibians feel pain?

It seems strange, but I always hear that toads and frogs don't feel pain. Is this a true assumption? Do this species can feel pain?
2
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1answer
476 views

What is the reason behind the subphylum name “Urochordata” for tunicates?

There are two major invertebrate subphyla of the chordates (phylum Chordata): Cephalochordata (the lancelets) Urochordata, aka Tunicata (the tunicates) My understanding is that the cephalochordates ...
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1answer
104 views

Where does Embryo Implantation occur? [closed]

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?
3
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1answer
107 views

What is the literal meaning of the scientific name for the cactus wren?

What does the scientific name Campylorhynchus brunneicapillum mean? I simply want to find a way to decipher the meaning of scientific names. In the past I had to translate the names syllable by ...
14
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2answers
7k views

Are 'homeothermic' and 'endothermic' synonymous?

I got this question from the comments below this answer. So, do homeothermic and poikilothermic have the same meaning as endothermic and ectothermic, respectively? A user also suggested that the ...
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0answers
70 views

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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0answers
62 views

Why do some mammals have incomplete orbits?

I've noticed that a lot of carnivorous/omnivorous mammals (most, if not all the members of carnivora and some ancestral cetaceans), as well as some herbivores (marsupials), have incomplete orbits that ...
19
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2answers
6k views

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-...
10
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2answers
2k views

Why Egg shell is not called a cell wall?

Egg is a single cell and has a outer hard covering outside inside which there is a cell membrane. Then why isn't the egg shell a cell wall? Is it because no exchange of materials take place through ...
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1answer
57 views

Bit by unidentifiable spider [closed]

Live in South Florida and was outside cleaning and believe I got bit by this spider. It is painful and need help identifying.
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4answers
25k views

Why do we have no enzyme to digest cellulose?

As we know, cellulose is the most abundant polysaccharide in nature. Why don't we have an enzyme to digest cellulose?
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1answer
211 views

What is this beetle looking fly creature?

I found this fly in my back garden that looks like a beetle with wings and it hovers. ]1 ]2 What is it?
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2answers
126 views

What allows grass eaters to digest cellulose?

Scientists are saying that it was a small step for the Panda to move from a meat diet to a grass diet. The article only refers to differences in the Panda's skull, presumably for better chewing. I've ...
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0answers
47 views

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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1answer
47 views

Are there any “thermotroph” lifeforms?

I only found chemotroph and photoroph examples of life, but are there organisms that can use a temperature gradient to convert energy?
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0answers
13 views

How to differentiate between Bombus lapidarius and Bombus wurfleini?

I am observing frequently different bumble bees in my garden (Austria prealpine-alpine region). One of them that I frequently saw is all black with red-orange abdomen (tail). From a very simple ...

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