Questions tagged [zoology]

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

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3 views

Paramecium multiplication…which one is the copy

Sorry for very trivial question.When a parametium makes its copy by mythosis have scientist figured out which one is the original and which is the copy?Something like labeling them with different ...
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Identify fuzzy black quarter sized spider with orange on abdomen, in Minnesota

Found this spider on my car in Minnesota near St Paul (USA). Total size including the legs (end of rear leg to end of front leg in picture) is probably about the size of a quarter.
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Identify round, green, flying insect with spikes in South Carolina (USA)

The tables have turned -- I need some help IDing an insect: I've been unable to identify an insect that I came across about 6 years ago in South Carolina (USA). We were doing a vegetation survey in ...
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269 views

Identify this caterpillar

Could anyone try to help identify this caterpillar, there are loads of them all over my garden and I've got three of them in a makeshift caterpillar house. I've had them for about a week and they've ...
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1answer
28 views

Are these termites

Found a large number of these trapped between my window and the window frame. Are they termites? Location: Eastern Massachusetts, USA
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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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82 views

Snake with strange head

This snake was killed in graveyard Peshawar (Pakistan). I just wonder what is this? Is it a snake? Baby crying sounds were reportedly heard from graveyard in Peshawar after months of search the sounds ...
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1answer
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What is a false crocodile?

On the wikipedia page about crocodiles crocodiles are called true crocodiles. Does this mean there are (or where) false crocodiles as well? Crocodiles (subfamily Crocodylinae) or true crocodiles ...
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Recognise this thing found in beach?

Kindly help me identify this thing found in beach Chennai, India . Size would be just 1.5 cm in diameter..across maximum size. It's shelled and has something inside it. It make a small noise when it ...
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What type of guppy is this?

This is a guppy I recently bought from a local pet shop. They don't exactly know which type of guppy it is. I hope to get info about it's type.
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35 views

Can anyone please identify this?

We saw this leech like worm in Kerala, India. Can anyone identify it for us? I saw it today, 10th September. It's about 6 to 7 centimeters long. It was very still, didn't move while we went close and ...
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Can a certain snake kill human by 'drinking' his breaths? [closed]

In Rajasthan in India, locals know a snake called peevna in the local language. Many of my relatives live there in villages in open deserts. They see many kinds of snakes every day. The word peevna ...
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267 views

The smell of the shield bug (aka stink bug)

Every time a shield bug flies into my room I try to kill it. Unfortunately, they leave a strong smell after crushing them. Whenever I smell their odor, I always wonder what the chemical compound is ...
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Insect/cocoon ID?

Can anyone ID this? We’re in the Rocky Mountains, Western US. We found it stuck to the wall of our garage, a few feet up, hidden behind a snow sled. It seems to be covered, or surrounded, in what ...
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What kind of skull is this?

We found this skull on a beach in southwestern Sweden, and are curious as to what kind of animal it was.
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Cormorant vs eel possible feeding?

I recently saw a cormorant at our local park. It dove pretty quickly, soon after it came up struggling with a large green eel. The thick 2' eel seemed quite determined to escape by thrashing and even ...
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29 views

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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191 views

What type of bird skull is this?

My aunt found this skull on the beach in Vancouver Canada. I believe it might be a type of bird, but I can’t place it. It is about 5 inches (~13 cm) long and 2.5 inches (6.35 cm) wide.
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Do animals like Seals feel cold on their skin?

Whenever there is a documentary about animals and you get to the colder regions, you will hear about Seals and their layer of blubber keeping them warm. But the skin is on top of the blubber, in ...
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Identify this excreta!

A picture is worth a thousand words! It's about 1.3cm (1/2") long. We rented a basement and I found this on a machine that was moved in a bit earlier. I would like to know if there are any mice, ...
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Are there any parasites that alter human behavior in a self destructive way?

There seems to be quite a few examples of parasites taking over the behavior of insects in a way that leads to the death of the host. A couple of examples include: Spinochordodes tellinii: A ...
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Can someone help me identify this Brazilian spider?

Does anyone know anything about the identification of this spider? Sorry, but it's the only image I have. It was shot at 2004, January 25th (summer), at 11:27 AM, in Cerrado biome at Minas Gerais ...
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1answer
1k views

Small black slow-moving insect showing up in the home

In the past few weeks (winter) I've started to notice these insects crawling about various places of the home. Slow-moving like a beetle. Black all over. Hard to see but they have two prongs sticking ...
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What type of guatemala beetle is this?

it was in Guatemala it was really big like 4 inches sorry I don't have a better photo
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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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What kind of fish is this white blue-stained fish?

This fish has been spotted at the Great Barrier Reef near Cairns (Queensland). I put a big effort to find it via Google but never could encounter anything similar. I have also made an attempt to find ...
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How many teeth do sharks grow and lose?

Even though sharks are not classified as mammals, they do seem to have great many teeth. Around how many teeth do sharks grow and lose over the course of their underwater life?
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What kind of skull is this-I found it on the beach in Cape May

I am hoping someone can help identify this skull! We found it on the beach in Cape May. The skull size is about 4 inch in length. Thank you.
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What is this feather like bug with no legs?

Seen on leaf in North Texas, USA in April 2017. Critter will attach itself to any object put next to it.
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How fast do hummingbirds fly?

Hhhmz! A hummingbirds flew past me while I was in the garden and yet, it still managed to halt perfectly in front of a blooming flower nearest to me. Just as soon I began to wonder, how fast do ...
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1answer
181 views

Tiny dark-colored bug ID in Amman-Jordan

I live in Amman-Jordan and I keep finding this bug species on my walls. I saw four till now on the walls of another room. A little bit bigger than the first one. Click on all photos to open full-...
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84 views

What kind of bug is this? I found it on my Cleome plant in Atlanta Georgia

This bug was on my cleome plant in Atlanta Georgia
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What are some examples of animals who return to their group when threatened?

Based on my (limited) understanding, some types of animals use the power of numbers for protection. I assume, then, some species instinctively respond to threat by immediately seeking out and joining ...
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62 views

Is this an asian hornet

My mother found a hornet at home (in northern France) that is probably building a nest. Is that an asian hornet? If yes, how can I exterminate them?
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What does the hornet do on the ivy blossoms?

We've got blooming ivy growing around a tree. Since several weeks lots of hornets have been whirring in the foliage and I wonder whether they want to feed on insects that are lured by the blossoms or ...
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How do feral pigs get their tusks back?

Domestic pigs and wild boars are the same animal. There's virtually no genetic difference between the pigs kept on farms and those roaming in the wild. As I understand it we have selectively bred our ...
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511 views

Phoresis and mechanical vectors

According to wikipedia and Human Parasitology By Burton Jerome Bogitsh, Clint Earl Carter, Thomas N. Oeltmann Phoresis: In this type of symbiotic relationship, the phoront, usually the smaller ...
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Which other sense organs aside of eyes/ocelli do Tardigrades have?

Tardigrades have eyes/ocelli as sense organs. How about the other senses? Do they have some organ for hearing? Do they have some organ for smelling or tasting?
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What is this African bug?

This is an arthropod I found in an apparently abandoned mongoose burrow in the Maasai Mara game reserve, Kenya: That was the best photo I could get of it. From what I could tell, it had six legs and ...
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Are fish and reptilian scales homologous?

Wikipedia: Fish scales are dermally derived, specifically in the mesoderm. This fact distinguishes them from reptile scales paleontologically. So aren't reptilia scales also dermally derived?
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Which kind of caterpillar is this?

Which caterpillar is this? It was found in mid Europe during this time (April). Size about 2cm in length.
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5k views

Insect identification - Is this a bedbug?

This bug was found on a couch in Cape Girardeau, Missouri. The couch, and the two beds in the room show no signs of other bugs. Is this a bed bug that I should worry about or something harmless? It ...
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Why does cucumber skin kill ants?

I recently read that cucumber skin is an effective repellent for some ants: Set out cucumber peels or slices in the kitchen or at the ants' point of entry. Many ants have a natural aversion to ...
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137 views

Identify This Glowing Insect

When I was walking in my garden at night I saw this small glowing insect, can you identify what is this insect? Location: Middle-East Palestine Size: Length about 1 CM This image in the dark (see ...
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3answers
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Do birds grieve and feel emotion?

Crows are surprisingly clever with tool making/use and even understanding displacement water over sand! Clearly there's some relatively high level cognitive processes going on up in those avian brains....
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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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How do Joeys of different ages safely share a pouch?

I recently learned that female kangaroos typically rear multiple young at once, even producing different types of milk for neonatal joeys and older joeys. I've read that the older joey can enter and ...
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Help in identifying marine specimen?

I came across this specimen which I assume belongs toeither the phylum porifera or to the coelenterata. Can someone please help me identify it? The specimen was found in Ayodhya, India.
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What is the function of spongin in sea sponges?

Sea sponges (Porifera) use different types of skeletons to support their structures. Some skeletons are built from minerals, some are built from proteins like spongin, and some use both. My question ...
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Can mammals and/or birds see / detect infra-red light?

Wondering if there is any evidence that mammals or birds eyes can detect light emitted in the infra-red? The reason I'm asking relates to the use of nest cameras to detect predators, using infra red ...