Questions tagged [zoology]

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

Filter by
Sorted by
Tagged with
2
votes
0answers
57 views

Can you help me identifying an insect I saw?

I'm a student of biology and yesterday we went to the fields to collect some plants for our herbariums. Suddenly one student of our group said that he saw a very strange bug that he thought that was ...
2
votes
1answer
56 views

ID bug found in Mojave county, USA

What is this? I found it under a bed sheet. I live In Mojave county, AZ, USA, in the middle of the desert. It was probably 1/8 inch long. And narrow.
2
votes
0answers
74 views

what is this bug ? i found it on bed 2 times

What is this 1mm long bug I found on my bed in Egypt? Here is its back photo
1
vote
1answer
543 views

What species is this grey insect with red antennae and mouthparts? [duplicate]

I’m very curious to know whether this is a type of ant or not, I only see 6 legs. Found in Tampa, Florida near Tarpon Springs.
0
votes
1answer
97 views

Why is sex hurtful for some animals but pleasurable for others?

Sex seems to be pretty hurtful for feline for example. On the other hand sex is pleasurable for humans. Why is sex pleasurable for some and not for others? How do these things evolve?
1
vote
1answer
64 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?
1
vote
0answers
19 views

What is the smallest known viviparus

I want to know what is the smallest viviparus known at this time. I was Googling, but I can discover this animal. Thanks.
1
vote
0answers
48 views

What exactly happens to animals that fail mating rituals?

Quite a few animals (usually males) participate in various mating rituals to showcase their fertility as mates. While presumably, the successful ones get a chance to mate with females, it occurred to ...
4
votes
1answer
330 views

What is the largest species of polychaete?

My Google searches seemed to avail no results. My question is: What is the largest living species in the class Polychaeta? That's about it. I understand that there will be few accessible weights for ...
4
votes
0answers
588 views

Do cats produce DMT?

Edit: If somebody (anybody) wants to add an answer so the bounty won't go to waste, please do so! The comments have already introduced me to the Kegg metabolism database, some interesting papers, and ...
3
votes
1answer
139 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 ...
0
votes
1answer
48 views

Why do spinner dolphins spin?

Spinner dolphins have a behavior where they jump out of the water and spin a bunch of times in the air. Wikipedia's article on this just states These spins may serve several functions and doesn't ...
6
votes
1answer
266 views

What are the predators of Glaucus atlanticus?

I'm researching the Glaucus atlanticus, also known as the blue glaucus, among various other names, but after reading quite a few articles and searching on the Internet as many different ways as I can ...
1
vote
1answer
55 views

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 ...
0
votes
0answers
39 views

How can I learn biology by myself? [duplicate]

I am only 15 years old,and my primary school education hasn't been that good,also I forgot a lot of things. I would like to start again,and I am asking for your advice. What are some of the good ...
8
votes
1answer
103 views

Dragonish caterpillar from North Vietnam

I encountered this caterpillar in North Vietnam (Hanoi) and could not find any reliable web site for this kind of search. I am not an entomologist, so I don't even know how to describe it, except that ...
0
votes
0answers
20 views

How many times have Ecdysozoans made the transition to land? [duplicate]

In my evolutionary course we were taught that land plants are a monophyletic group, the transistion to land happened only once. The same goes for the tetrapods within the vertabrates. However this ...
2
votes
0answers
37 views

Identify this frog from Bangladesh

Description: About 5-6 in long Time: March,2019 (summer) Location: (Alutila Cave) Khagrachari, Bangladesh
3
votes
2answers
163 views

Tiny white very hard cell bug! Please help to identify!

I found these bugs walking on the floor/ wall and on my laptop. And unfortunately I think they could be in my bed, too, since I bring my laptop to bed sometimes. I live in a big city in the ...
1
vote
1answer
218 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-...
0
votes
0answers
27 views

Is Wikipedia a good source of taxonomy? [duplicate]

I have been quite interested in biology lately,and I would like to know whether it is a good choice to look up taxonomic information there.
0
votes
0answers
25 views

Identification of Black-Grey Striped Spider (India ,Kolkata)?

I found it on my rooftop . Location : India , Kolkata Season : Summer Morphology : Hairy Legs , with black and grey striped body . Length- 4cm -5cm with legspan Width - 2cm-3cm I couldnt get better ...
3
votes
1answer
109 views

What is this white, winged insect?

I saw this insect crawling on a wall in the UK (Birmingham) today (March 28th). It's about 5mm long. I assumed it was a white fly, but having looked at other images of white files on google, I don't ...
3
votes
1answer
55 views

What's the smallest flier that migrates?

Painted ladies and monarchs migrate hundreds of miles (~1.61 hundreds of kms). Are there long distance fliers that are significantly smaller? Dual question: Are fliers' migration distances strictly ...
0
votes
1answer
60 views

Why are sea dwelling mammals less aggressive than land dwelling mammals?

Many mammals on land seem to be quite dangerous to humans: e.g., tigers, lions, elephants, hypos etc. However, their sea-dwelling counterparts (e.g., orcas, dolphins, sea lions, whales etc.) are ...
0
votes
0answers
27 views

How to recreate bioluminescence in a lab?

I have several mg/mL of D-luciferin, luciferase (firefly), ATP solution (25 mmol) and MgSO4 (for the mg2+ ions). The experiment has to be done in cuvettes of 2,5 mL (if I get any results, it will be ...
1
vote
0answers
15 views

How do some deep sea creatures lower their metabolism to stay alive for a long time?

I was watching some bio related videos and saw in one that some deep sea creatures and other organisms purposefully limit their movement to decrease metabolism rates. Do they live longer? If we ...
24
votes
2answers
3k views

What exactly is this small puffer fish doing and how did it manage to accomplish such a feat?

I recently saw a video on youtube where it shows a puffer fish making intricate designs in the sand: OZZY MAN VIDEO The puffer fish made this design on the sand: What exactly is the puffer ...
6
votes
2answers
166 views

Why do fruit flies go so close to large reservoirs of liquid when they are likely to fall in due to surface tension?

I had accidentally left out half a glass of red wine by the windowsill when I went to sleep. As anyone knows, if you do this with a window cracked you will get quite a few fruit flies near it in that ...
2
votes
1answer
77 views

Red and yellow insect found in kitchen in Conrad, Montana (USA)

Beetle found in our kitchen in Conrad, Montana (USA) on 3/13/19:
2
votes
1answer
150 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 ...
5
votes
1answer
328 views

What are these tiny creatures swimming around my aquarium?

I was checking out my aquarium today, and decided to scoop out a water sample and take a look at it more closely. What I discovered were numerous, very, very tiny white worms (?) swimming around in ...
2
votes
0answers
56 views

Small mammal identification

Small skull found in Alberta, Canada. Do not know the region. Skull is about 17 mm in length. Trying to identify the species, narrowed it down to most like a species of vole but can't figure out which ...
0
votes
0answers
39 views

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 ...
3
votes
0answers
77 views

What is the name of this moth and why does it have an extra wing?

Moth of length 15mm. Seen in Kerala, India on March 2019. Third Unusual wing part visible. Without mobile flash the colour of moth visible is completely black.
0
votes
0answers
28 views

If the urbilaterian already had mouth and anus, how it came that their functions inverted in deuterostomes?

If the urbilaterian already had mouth and anus, how it came that their functions inverted in deuterostomes? I hardly can imagine how the functions of the mouth and anus can be swapped. Also, if the ...
3
votes
1answer
60 views

Is the deep ocean fish look ugly because due to darkness there is no visual sexual selection? [closed]

Is the deep ocean fish look ugly because due to darkness there is no visual sexual selection? If so, is there a common notion of beauty between humans and animals?
1
vote
0answers
13 views

Does the preservation fluid (ethanol or formaldehyde) leach heavy metals from mollusc tissue?

In a thread on researchgate, the concern was raised that long term exposure to unbuffered preservation fluids such as ethanol or formaldehyde may leach heavy metals from biological samples due to a ...
4
votes
1answer
87 views

can you tell me what kind of animal this is?

I found this skull over 2 years ago and i have been unable to find another like it or even come across someone who knows what it is. i live in south mississippi and the animal it came from looked like ...
2
votes
2answers
79 views

Has an ape ever drawn/painted something?

I know there are plenty of examples of apes making paintings and drawings, but has there ever been a recorded case of one representing something in their art?
4
votes
1answer
55 views

Animal with “advantageous” trait in a environment where the trait is never utilized (high cold tolerance in mild climate) - natural selection occur?

If you were to put an animal with a certain type of seemingly advantageous "trait" into an environment where the trait was not necessarily needed, ex: Putting an animal with a high tolerance for cold ...
4
votes
3answers
122 views

Evolution question on speciation? Really confusing!

Okay, my teacher assigned this homework question, but nothing like this was ever given in our textbook. Suppose that a type of tree tends to speciate over 10 million years and a species of fly tends ...
4
votes
1answer
176 views

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 ...
1
vote
0answers
109 views

Which statements are true regarding an energy pyramid? [closed]

The number of producers is greater than the number of primary consumers. The amount of energy at the primary consumer level is greater than the amount of energy at the secondary consumer level. The ...
49
votes
1answer
6k views

Do large animals experience a meaningful delay when moving their most distant appendages?

According to the Physics Factbook, nerve impulses travel at speeds anywhere from 1 meter per second up to around 100 meters per second. Blue whales reach up to around 30 meters long. For a full-size ...
5
votes
1answer
118 views

What is this furry, long-limbed, presumably tree-dwelling creature?

Can anyone identify the species below? I believe the picture was taken at the Museum Of Zoology in Cambridge so maybe someone cleverer than me could narrow it down using their collections search. Of ...
0
votes
1answer
21 views

The detail about the exact time of heart attack

Storage of cholesterol in coronary artery tends to heart attack. But in which phase heart attack occurs? Why only a definite time is called heart attack? Why this is the extreme point of coronary ...
3
votes
1answer
75 views

Strange Black-Brown Insect Identification

Interesting Insect from Singapore. Around 0.5cm. Has 2 tiny pinchers at its tail. Insect is black for most part. Please zoom in on scotch tape:
1
vote
1answer
64 views

Egypt bug needs identification please

Is it possible to identify this bug,,? Found in South Sinai .in Egypt . Only seen crawling but maybe it can fly ? Black with 6 legs. 2 long black "strings " coming from back end Thank you
1
vote
0answers
34 views

Why did this Rabbit behave like this? [closed]

https://youtu.be/B3_S3Uj18G8 In this video, inappropriately titled autistic rabbit, we see the rabbit first lying motionless before suddenly starting to spin around and jumping around. What caused ...