Questions tagged [behaviour]

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

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1answer
332 views

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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316 views

What sounds deter sharks?

Have any studies been done to find sounds that alienate sharks?
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170 views

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
504 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
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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
13k views

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
53 views

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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751 views

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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756 views

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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1answer
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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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1answer
301 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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2answers
96 views

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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44 views

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
688 views

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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1answer
444 views

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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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
566 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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400 views

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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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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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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109 views

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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1answer
193 views

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)

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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3k views

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 ...
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How do burrowing animals get enough oxygen?

Tree borers make a small hole in a tree. At the end of it, they chew on wood to elongate the tunnel. They digest food and grow. All this takes oxygen. The entrance to the tunnel is generally small. ...
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Why both sexes of the species don't show equal level of Competition? [closed]

In most species, it is seen that either males or females have evolved to be aggressive towards approaching members of the same species of the same sex and maintaining strict territorial boundaries. ...
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589 views

Do reptiles hunt?

I encountered the following passage in the book The Art of Interactive Design by Criss Crawford (bold formatting is mine): [...] From stalking and evasion to the chase, the [interaction between ...
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3answers
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Why do we laugh?

Why is it that the reaction we get from absurdity is laughter? Everyone does it, even babies. Is there a reason why it is our instinct to laugh when we see or hear something absurd/humorous
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Was this snake behaving abnormally?

This morning, I walked out front of my house to find a medium-sized snake balled up on my driveway beneath my motorcycle. I spotted it from my porch so I didn't walk any closer. I believe it was a ...
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Can animals like squirrels leave “gifts” or tribute for humans?

I've heard anecdotal reports of squirrels bringing up gifts to a person's house after that person left out food for them. Sounds bizzare and unbelievable, until I actually saw some kind of a nut right ...
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1answer
63 views

How do I offer a generous gift to sweet-seeking wasps, bees, hornets, bumble-bees?

I was having ice coffee and melon ice and after visiting the lavatory I saw that a wasp was having a good time with my already finished ice coffee. Trying to begin the melon ice the wasp kindly ...
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How octopus develops its imitation skill?

I've watched one documentary about a Mimic octopus which they can imitate another animals in several form e.g. a Lion fish, a Sea snake, a Flatfish, etc. My question is how these octopuses can have ...
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4answers
466 views

How do birds avoid mid-air collision?

Across from me there is a large flick of Pigeons and Ravens that like to nest on the roof. They swoop and dive and fly all over. Sometimes the whole flock lifts off at once. My question is, how do ...
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2answers
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Why do orcas eat only the tongue of whales, liver of sharks, etc.?

I noticed that although killer whales are clearly the top predator living in the present oceans, some of them appear to be very picky with their meals. After spending hours hunting down a whale, ...
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1answer
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Do “virgin” ant queens ever shed their wings?

In species that reproduce sexually, if an ant queen goes on a nuptial flight and does not successfully mate, will she still shed her wings and try to found a colony (although she probably won't ...
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Why do crabs spit?

Last year I photographed this juvenile Sally Lightfoot Crab (Grapsus grapsus) 'spitting' (click for larger view): I thought I'd look up more information on this behavior, but couldn't find any ...