Questions tagged [behaviour]

The set of actions performed by an organism within a given environment

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Do Pthirus gorillae remain in gorilla leaf nests after gorillas migrate and abandon them?

Gorillas build leaf nests to sleep in. Do the lice which parasitise gorillas, Pthirus gorilla, remain in gorilla leaf nests after gorillas migrate to new regions (and abandon the old nests)?
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Do ants really find the shortest path to a food source?

There exist many computational intelligence algorithms based on the observation that ants deposit pheromones in such a way that they find the shortest path to food sources. This logic is used to ...
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758 views

Are we capable to generate sounds of animals to the point that they mistakenly recognize it as members of their species?

From Animal language (Wikipedia), there are many evidences that we can communicate with animals, at least to baboons and dolphins. There is a case that fish moving away when hearing a record of whale ...
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Do ants really dispose of their own dead, and how/why?

I just read this from Wikipedia's Swarm Behavior article: Despite the lack of centralized decision making, ant colonies exhibit complex behaviour and have even been able to demonstrate the ability ...
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Cat herpes and behavior

We have 2 cats, aptly named "Fatty" and "Tiny". "Fatty" is a 6 year old house cat that hasn't seen the outside world in years. "Tiny" is a cat we rescued about 45 days ago and she's roughly 2.5 ...
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Reason for specific location of a gnat swarm?

While checking on my yard trees, I noticed a tiny swarm of gnats above one small maple that has a metal cup holder stake used to help train the trunk straighter. Approximate swarm size of 20 - 30 ...
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Play Mimicking Normal Behaviour In Cats

I tried to word my question so it will be given serious consideration. Rather than ask in Pets SE (which doesn't have the brightest questions or answers), I feel it's better suited for Biology SE - ...
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1answer
2k views

Why does walking mitigate the urge to urinate?

When feeling a strong urge to urinate humans tend to walk around when e.g. waiting for the current bathroom occupant to get out. Why is that?
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570 views

Cat's tail movement as an indicative of tension

It appears to me that tail's twitching in the cats indicates how much tension the individual is under. During a hunt, when a cat tries to stay invisible, while approaching a target it is almost ...
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Why is a butterfly actively looking for cool, dark spot, long before dark?

Here in Croatia, the Woodland grayling Hipparchia fagi flies constantly in the garden of my holiday home. Yesterday, I observed that one of these bufferflies was actively looking for a cool/dark spot ...
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Why do birds flap/shake their wings?

Here is a video that will show the behaviour I'm interested (see between 12:30 and 12:32). I want to know if this behaviour has a name and why birds are doing this. I observed this many times, with ...
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Do we have information on differential reproductive success for many species?

It has been claimed that human males have a successful reproduction rate of about 40%, whereas females have 80%. This leads to the claim that we have about twice as many unique female ancestors as ...
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Where are all the dead cockroaches?

Major North American cities are full of large cockroaches. Given their numbers and relatively short lifespan, there must be staggering quantities of cockroaches dying in a city every day. However, I ...
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Where do cockroaches go in the daytime?

Urban parks in North America teem with sizable cockroaches at night. However, in the daytime they are nowhere to be seen. Where do they go? I know that they tend to avoid light, but how do they go ...
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344 views

What sounds deter sharks?

Have any studies been done to find sounds that alienate sharks?
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Can birds raise younglings that are not their own?

For example, if a scientist were to move a chickadee or pigeon egg from one nest to another, would the new bird (second mother) in the new nest incubate or raise the youngling? Or would the new mother ...
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1answer
579 views

During a large forest fire, what is the evacuation behavior of birds?

I'm interested in birds' behavior during large forest fires. Do they fly away as soon as they smell smoke, or wait until seeing fire itself? Do they fly away in flocks, or individually? Do they ever ...
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1answer
282 views

Why social animals attack odd members of their own group?

Some social animals are known for attacking odd members of their own group, for example, chicken: If you have a large group of one type of chicken, they will usually gang up on the one or two ...
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What do spiders do all day?

I found a question about ants sleeping - Do ants or other insects sleep, and if so why?, but I don't think it really answers my question. For the question, I'm mostly referring to web-making spiders, ...
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1answer
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Why do Guinea Pigs chirp / sing?

Ok, so this appears to be quite a mystery. Me and my girlfriend have 2 Guinea Pigs, 1 male and 1 female. My girlfriend once picked up the female one and took her outside into our garden. The Guinea ...
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1answer
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What are the factors that contribute to genetically identical individuals behaving differently? [closed]

If you run the same task on a pair of identical computers, you will end up getting the same results, even with the same response time. But let's say you line two different person, and ask them the ...
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Why do humans suffer anxiety when they view “Trypophobia trigger images”?

When you type Trypophobia Trigger Images in google, you see a variety of images with irregular lumps and bumps among some more gory images. Many people report that these images induce phobia like ...
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Can a lion be fed cat food? [closed]

Is there a correlation between eating raw meat and aggressiveness in felines and canines? Growing up, I was always told to cook the meat I gave to my dogs and cats so as not to give them the "taste ...
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Do animals exhibit handedness (paw-ness?) preference?

I have been observing my cat and found that when confronted with an unknown item, she will always use her front left paw to touch it. This has me wondering if animals exhibit handedness like humans ...
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Do lower animals have instinctive behaviors?

Can an organism such as C. elegans, with only 302 neurons, exhibit "instinctive or innate behavior"? If not, then at what basic minimal structure is instinct manifest?
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Being able to write/type different texts using each hand respectively, at the same time?

Has there been any documentation of being able to either write down (jot down) or type in (key in) different texts using the left hand and the right hand respectively, simultaneously? So, I'm ...
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Why do some people become more aggressive when tired?

Why do some people become more aggressive when they are tired? I've been thinking about this question for a few days and my 'hypothesis' is that the neural activity in the prefrontal cortex lessens as ...
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Pattern in parental care behaviour from lower to higher animals?

I was studying about parental care behavior. There seems a pattern present in this behavior in case of vertebrates. The more evolutionary advanced class the animal belongs to, the greater effort an ...
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Is there an ecological scenario where terrestrial insect larvae can show food choices?

I have been going through literature on insect food choices. I plan to study the effect of prior experience on food choices in both adults and larvae of the red flour beetle, Tribolium castaneum. ...
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335 views

Is there any kind of “unintended consequence” in evolutionary systems?

In the social sciences, unintended consequences is a term used to describe an unexpected positive or negative effect of a particular action. This is obviously the wrong word to use in the context of ...
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Do experiences shape actions of insects? Animals? [closed]

Would an insect behave differently to stimuli depending on what stimuli occurred to them earlier (that only affects them cognitively or their conscience)?
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1answer
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Why do people sing?

I was wondering the why people sing, but from a biological point of view. Is it necessary for our body? If it is so, then why can't everyone sing well? Is it in direct relation with neurotransmitter ...
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Are fish averse to extreme heat?

Terrestrial animals face two common sources of heat extreme enough to pose a danger to them: Sunlight and fire. It therefore stands to reason that they would evolve systems for sensing heat and ...
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Do clients of cleaner fish queue up?

I can't remember if I saw it in a cartoon, a documentary, or both, but the notion is that the clients of cleaner fish wait in line to be cleaned. "Clients" means the fish (or other aquatic animals) ...
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3answers
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Do animals' facial expressions have similar meanings to humans'?

In the following pictures, the dog seems to be smiling to the camera. People staring at these picture also tend to feel comfortable and relaxed, presumably because they think it's very happy playing ...
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Is the “freeze response” really a remain of our reptilian past?

I'm looking for any reliable sources relating the common-known human reaction on a stressful situation, humans sometimes freeze and can not move. From some materials found on the internet I got that ...
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Ant trail behaviour

I observed an ant trail through a house for some years. I wonder why the ants established that trail. The ants are small ants of common type for middle europe, found almost everywhere in this region. ...
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1answer
174 views

How much do urban pigeons move around cities?

Do they tend to live their lives in one area of the city or do they move around? For example, do pigeons born on London's Trafalgar Square live their whole lives centered around Trafalgar Square or ...
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What are the most common mechanisms motivating mammals to mate?

I read somewhere that dolphins and humans are some of the only species known to have sex for fun. I was just curious What motivates mammals to mate? (Like what compels them to do it, not what the ...
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1answer
732 views

Do animals have different taste preferences within the same species?

Humans (especially children...) seem to dislike certain foods or drinks, that other humans seem to like. Common examples are coffee, french cheeses, olives, milk, fish and cabbage. Are there examples ...
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What biological functions does crying serve?

Tears suddenly start flowing out of our eyes when we find our long lost friend or when someone unexpectedly decides to break up with us. Do tears really save us from harm? Or are they just the reflex ...
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What is the reason for fear induced defecation?

I started to handle mice for my job and noticed that they tend to defecate and/or urinate when they are scared. The fear is induced by me, because I need a long time (due to inexperience) to grab the ...
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1answer
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A limit to birds affinity for high vantage points [closed]

Birds seem to have a natural affinity for high vantage points, including power wires, the tops of trees, and the sides and tops of buildings. However I presume the top of the Burj Khalifa is not ...
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1answer
75 views

What other cognitive behaviors in bees, outside of navigation, are affect by neonicotinoids

It is conclusive that neonicotinoids alter navigation in bees when locating food sources. http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0091364 But if so, shouldn't cognition also ...
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203 views

Do animals demonstrate target practice (i.e., playful accuracy behavior)?

Do animals demonstrate any sort of accuracy-motivated play? (please provide examples!) Consider most human sports and related hobbies. Most share the common goal of hitting a target or being accurate,...
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Male-Male competition limited to breeding season?

I'm currently reading about sexual selection in the context of evolution. Unfortunately, the focus is always on animal behavior during the breeding season. What is 'normal' behavior outside of ...
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Are there any animals that gradually approaches the predator to search for food?

I was wondering if there is an animal (or insect, bird, etc.) that eventually comes close to its predator to search for food, but only does so if it couldn't find food in the environment it is in. So ...
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Are there worms/snake traveling by rolling? (see youtube video) [closed]

Someone obtained this from a nature simulator : https://youtu.be/l-qOBi2tAnI Is there any animals travelling like this?
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Is there any evidence of animals wanting to die?

Is there any evidence of animals wanting to die? Specifically, animal communication which says "come and eat me".
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Why do you retch when you see something disgusting?

Why do you retch when you see something disgusting? I imagine it is some sort of evolutionary response, although I can't see the connection between receiving a signal that unhealthy conditions are in ...