The study of animal behaviour.

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9k views

Where do migratory birds go when it rains?

I was reading a comic from XKCD which inspired me to ask this question: "well, where do they go when it rains?" I know that when it rains you usually don't see any birds flying through the sky. I ...
1
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1answer
37 views

Book-recommendation: Ethology

I am looking for a book that covers the following topics in ethology: Behaviour Sensory filtering, reponsive-ness, sign stimuli, learning and memory, instinct, habituation, conditioning, ...
4
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1answer
89 views

Which factors may affect a choice of an oviposition place in nocturnal moths?

Winter Moth (Operophtera brumata) is a small brachypterous (females have stunned wings - unable to fly) moth which places eggs on thick branches. I would like to know which abiotic and biotic factors ...
5
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1answer
44 views

What is this woodlouse doing?

I picked an apple from the ground, it was wet with dew and a woodlouse was stuck to it, with its back against the apple. When it got loose, it started flexing its "tail" like this for a while. Why?
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27 views

Why aren't whales more wary of boats?

Whales of many species were hunted to near extinction in human memory, and in whale memory too. I'd imagine that some whales took no notice of boats, and others tended to avoid them, so that hunting ...
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2answers
55 views

What does this Barbary Macaque facial expression mean?

A girl pretended having a piece of food in her hand and pointed it to a Barbary Macaque in Gibraltar. As a response he made this facial expression to her. What does this mean?
6
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1answer
222 views

Why Other Pigeons kill the baby if touched by human?

I used to have too many pigeons in house. If by chance one of the baby falls out of the nest we used to put it back using gloves. Usually, if we touch them with bare hands, the other pigeons usually ...
5
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1answer
814 views

Facultative Cannibalism?

I heard about Larger cats eating the cubs. Is it some kind of facultative cannibalism or they can eat there own kind like that? What are the facultative cannibalism present in animal kingdom? What ...
2
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1answer
49 views

Why does a housecat (or other predator) play with it's food before killing and eating it? Does it make the food taste better?

I've read a couple people theorize that a cat playing with a mouse causes the mouse's body to be flushed with adrenaline before the final kill and that this adrenaline makes the meat more ...
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1answer
85 views

How do ants know where they are going without eyes? [closed]

I know that ants have some sense of direction, but what is the physiology behind this sense?
2
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1answer
50 views

Can foxes move their ears independently?

I've read that dogs can do move their ears independently, i.e., point one ear in the direction of a sound without having to point the other one at the same time. Is this a common trait with other ...
5
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1answer
77 views

Why does ant queen keep the eggs out of her hive?

I have captured an ant queen and now I'm trying to create an artificial ant nest. I have noticed that though she has dug a hole to hide in, she keeps the eggs out of it unless she feels that they ...
2
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1answer
70 views

To what extent do domestic animals understand language?

Note: Please tell me to re-post this in Cogsci or pets if this doesn't belong here. Hello All, I want to know how dogs or other domesticated animals differentiate between normal chat and a command. ...
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1answer
24 views

Book recommendation on mammal (or just primate) behaviour, especially in relation to child-rearing

I have a growing frustration with the lows 'new-age' parenting is reaching, along with asininity of so much of our public schools' (and summer camps') philosophies and policies in relation to our ...
2
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1answer
43 views

Which of the following demonstrates the pattern of development in Greylag Geese?

Which of the following demonstrates the pattern of development in Greylag Geese? {Please give specific answers, which among the following gives the best available demonstration?, If needed, have a ...
7
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1answer
129 views

Why do flies fly in circles?

Lying on my bed, doing nothing I recently noticed flies usually fly in small circles, right under my ceiling lamp. Worth noting - the lamp was off as it was middle of a day. And those flies kept ...
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0answers
27 views

How are the external stimuli which fixed action patterns and other “innate” behaviours are honed in on genetically encoded?

Kelp gulls peck at a red spot on their mother's beak. Geese and cranes imprint on hang gliders. Presumably, these processes depend on sensory primitives (red spots, triangular shapes), and these are ...
2
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3answers
155 views

Does any animal species have two sexes and more genders?

Does it exist any animal species that have two sexes and a kind of different internal diversification in two genders or more? I mean no something like different-task-based diversity but something ...
3
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0answers
86 views

Why don't birds in flocks fly into each other?

I've seen videos of hundreds of birds flying in the same general direction but creating incredible patterns in the sky seemingly instantaneously! How do they all know in what direction to turn at the ...
0
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1answer
20 views

Do animals follow tactics?

Are animals able to plan hunts, give tasks if they do it in groups and fulfil it adapted to the current situation? Do they use unique tactics for special circumstances (e.g. based on experiences) or ...
2
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0answers
43 views

Circadian rhythm in birds

Animals can use their circadian clocks to determine direction from the position of the sun. In a particular experiment conducted in Iceland, a bird, kept in a cage open to the sky, was trained ...
8
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1answer
87 views

Dogs bark at familiar person in Santa costume. Why? Don't dogs trust smell over vision?

Last night 10 humans and 2 dogs spent Christmas together. At some point, one human dissappears for a few minutes and comes back wearing a full Santa outfit. Upon respawning, the dogs start barking ...
2
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4answers
260 views

How come most animals never seem to evolve over millenia?

People often say, including those with extensive knowledge in biology, that a certain species of animal will evolve in one way or another: 1.From changing environments. 2.Mutations. 3.Possibly even ...
3
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1answer
75 views

Why do animals only eat some parts of their food?

For example monkeys/apes only eat part of a fruit and then throw the rest. Cats (big and small species) only eat some parts of their prey and then they abandon it. Humans on the contrary leave as few ...
4
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2answers
165 views

Do animals suffer from “Human” mental disorders?

It is tragic, but apparently Killer whales and Dolphins can commit suicide too (e.g. here)... This suggests they can become depressed. I wondered whether they were "clinically" depressed like many ...
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1answer
131 views

What are the universal laws of Nature concerning animals' behaviour? [closed]

I'm looking for very old (centuries) treaty or recent (20 & 21th century) research that state what some of the laws of Nature are, particularly concerning wild animals' behaviour. Such as; every ...
5
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1answer
198 views

Do ants within a colony ever fight or come to conflict?

I'm investigating how hierarchical groups of a larger organization with a common goal tend to come to conflict with one another over time. As you decompose a large group (for example a corporation), ...
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1answer
524 views

Do bigger animals have more testosterone?

I was wondering the other day outside, thinking about varieties of species and their aggression levels, etc. I had a theory that since these highly aggressive, powerful, and viciously advantageous ...
4
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1answer
72 views

Is it true that there is a spider that eats parasites from caterpillars

I think I once saw a video of a caterpillar that could get infected by a parasite, and could die of that, unless a specific kind of spider would eat the parasite, and so once the caterpillar is ...
5
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1answer
75 views

Competition for mates in sea horses

This source here ...research has shown that it is STILL the males that compete for females. says that male sea horses compete for mates but this source here Females exhibit a ...
3
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1answer
71 views

Will a garter snake eat unusual prey if made to smell like something normal?

I have noticed that my garter snake only eats after it has smelled it's prey to make sure it is a slug, and it doesn't matter whether it's moving or not. If I were to coat, say, a caterpillar with ...
2
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3answers
2k views

What if rB=C in hamilton's rule?

Hamilton's rule states that if rB>C then a gene giving altruistic behaviour will increase in frequency in the population. What would happen if rB=C? Will an individual perform the altruistic act?
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1answer
55 views

Male behaviour during breeding season

The mountain blue bird build nests to attract females and exhibit aggression towards other males during breeding season. Which of the following is likely to give the birds maximal evolutionary ...
3
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1answer
109 views

Do insects respond to the detection of dead insects?

Are there insects that change their behavior upon detecting the nearby presence of other dead insects? If there are, can you provide an example?
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1answer
72 views

Can ant colonies have two “branches”?

Could an ant colony have 2 or more "branches" located far from each other (i.e. physically separated but interconnected nests) ? If so, how far is the limit?
7
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1answer
240 views

What is the name of the appendage that mantis shrimp use to rub their eyes?

In this short clip, you can see the mantis shrimp using some sort of feathery arm/claw to rub its eyes. Looking at a diagram here, it appears possibly that it's using maxillipeds. Someone with ...
12
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1answer
230 views

Do fake wasp nests actually fool wasps?

I have seen fake wasp nests sold as a deterrent against wasps and similar insects. Do they really work? Is there some scientific evidence for it? A related link: ...
4
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2answers
316 views

Is life expectancy linked to intelligence in animals?

For example, animals that live only a few days or a few years are often not very intelligent. In contrast, the most intelligent animals seem to live longer. Is this true? Are there any studies to ...
6
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1answer
4k views

Why can cats interpret things on a monitor/tv, but dogs cannot?

E.g. you can see a lot of videos where cats are smashing some mouse or spider on an ipad, but I have never seen it with a dog. I have a dog myself and I know that he sometimes responds to the sounds ...
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2answers
122 views

Do animals also dream?

By "dream", I mean: Dreaming while sleeping. Dreaming about their future life while being awake. Thank you in advance.
7
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1answer
225 views

Do non-human animals suffer from insomnia?

And how do we know whether they do or not? § If sleep is a physiological need, it seems weird that we become unable to fulfill on demand even in the absence of any obvious physical issues. We would ...
6
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1answer
444 views

What happens to an ant colony when the queen dies?

Does the colony collapse? Do workers keep following the last orders? Or can future queens replace the dead one? I'm guessing this might also depend on each specific sub-species.
0
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1answer
52 views

What's food mode?

I've been watching a The Crocodile Hunter episode about Komodo dragons, and Steve Irwing kept speaking about the animals being in "food mode", in which they apparently change their behavior to one of ...
6
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1answer
488 views

Cat purring: What are some possible underlying mechanisms behind purring and bone remodeling and formation?

http://www.scientificamerican.com/article.cfm?id=why-do-cats-purr The article above says that cats purr mostly when they're wounded or under duress. They hypothesis that cats purring leads to ...
1
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1answer
48 views

Introductory text for primatology

I'm looking for a book that provides a good overview of primatology, one aimed more at researchers rather than a popular science book. Ideally, I'd like something with an ethology/ecology angle with ...
1
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1answer
204 views

How do animals/plants change for each season?

The question pretty much sums it up. How do animals/plants change for each: Spring, Summer, Autumn, and Winter? A detailed explanation on distinct behaviour and appearance changes would be nice.
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0answers
65 views

Why do animals sleep [duplicate]

Animals spend a good portion of every day doing nothing, and it seems like that time could be better spent hunting, searching for mates, etc. Also, animals are not aware during sleep, so it would be ...
4
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2answers
3k views

Why is that all the animals can swim in water without learning to swim but humans cannot?

I had a question since I was a child. I was always curious that all the animals can swim in water. They don't need any training or to learn swimming. But humans need to learn to swim. Why ? I am a ...
3
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0answers
54 views

What are the most well-understood vocal animal languages? [closed]

Just as the Bee dance, for a "language", I mean that there are vocal pattens, or "grammar". In the nature, there are many intelligent animals like human beings. Bird songs, whale songs, dogs? In ...
8
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2answers
174 views

Birds placing sticks on train tracks?

I live in a semi-rural area in Germany, close to a park which trains go through every 20 minutes. Today, I saw something that left me perplexed. There is a large population of birds that look like ...