Questions tagged [zoology]

Use this tag for questions involving animal biology; evolution, ecology, physiology, behavior, genetics, and marine biology.

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31 votes
2 answers
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Do cats have a notable dislike of water compared to other animals?

The common knowledge goes that cats, in general, have a particular dislike of water compared to other animals. Is this true?
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12 votes
1 answer
2k views

Are 100 million sharks killed by humans per year?

I've read from several sources that humans kill 11,000 sharks per hour or 100 million per year, for example : The Humane Society of the United States, quoting Jean-Michel Cousteau Look at what is ...
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  • 295
16 votes
1 answer
17k views

Do lizards drink water?

Is it true that lizards don't drink water? My friend told me that lizards don't drink water, they lie upside down whenever they get thirsty. I found that some desert lizards absorb water instead of ...
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5 votes
1 answer
649 views

Does the Humane Society of the United States provide only 1% of their budget to pet shelters?

This is a meme going around Facebook. From the HumaneWatch's Facebook page: Does the Humane Society of the United States only budget 1% for actually helping animals as claimed here?
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20 votes
2 answers
4k views

Can a pair of rats multiply to 200 within a year?

A story on the BBC News website makes the following claim: Brown rats are one of the planet's most serious mammalian pests, ruining crops and harbouring disease. Expert jumpers, climbers and ...
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5 votes
1 answer
14k views

Are all white cats with blue eyes deaf?

I was told that all pure white cats with both eyes being blue are completely deaf, and that all pure white cats with one blue eye are deaf on the side that has the blue eye. If the cat has even a ...
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10 votes
1 answer
52k views

Can frog pee cause warts?

The title says it all. Here in the United States, especially the south, I've heard growing up never to hold a frog because it will pee on you and the pee causes warts.
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6 votes
0 answers
561 views

Are fish addictive to cats?

Today I found an interesting article that claims that feeding fish to cat is not a good idea: Fish should be avoided, except for occasional use, for many reasons including: heavy metal ...
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  • 161
12 votes
2 answers
12k views

Does wearing a mask on the back of one's head protect against tiger attacks?

Today while visiting the tiger exhibit at my local zoo, I read that in areas where tiger attacks on humans are common, people will often wear a mask on the back of their head to ward of tiger attacks, ...
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44 votes
1 answer
45k views

Do dolphins have homosexual "blowhole" sex?

In his comedy act, Ricky Gervais shows examples of homosexuality in nature, all of them from the book "Biological Exuberance, animal homosexuality and natural diversity" by Bruce Bagemihl. One of the ...
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14 votes
1 answer
7k views

Are bagged turtles and goldfish sold as keychains in China?

So there is this letter going around facebook: PLEASE SHARE IT , HUMBLE REQUEST ---- On a commercial street in China, little tortoises are found packaged as souvenir!!! These little tortoises are ...
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  • 1,558
11 votes
1 answer
6k views

Do sharks never sleep?

My friend was saying that shark never sleeps. Because to keep it afloat, it has to continuously swim, so that it can't sleep. This claim is repeated in the Ocean of Know: They certainly need to ...
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28 votes
2 answers
6k views

Under the right circumstances, can lobsters live indefinitely?

I've been reading a lot about longevity and I came up with this Wikipedia article where it states that it might be possible for lobsters to live indefinitely. Recent research suggests that ...
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4 votes
1 answer
659 views

Is there enough tetrodotoxin in a single fugu (blowfish) to kill 30 people?

As a section about Fugu fish in the "Top 10 Most Dangerous Foods" article on the Time magazine website suggests The toxin is so potent that a lethal dose is smaller than the head of a pin, and a ...
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18 votes
4 answers
25k views

Is 94% of male giraffe sexual behaviour homosexual?

I've been trying to track down the source of a claim that research has shown giraffe exhibiting a really high rate of male homosexual relations. Going through the blog spam leads me to a site without ...
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19 votes
1 answer
1k views

Do ducks' quacks echo?

I have read about this in an app on my android phone which gives out random interesting facts. This particular fact sounded kind of stupid, but I can't find any information about it on the internet.
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6 votes
1 answer
6k views

Do koalas sleep 22 hours a day?

I came across this image on Facebook from the website Learn Something Every Day: When I searched for a reliable source, I came across several sites of the same kind (OMG Facts, Snapple Real Facts,etc....
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3 votes
1 answer
610 views

Can a dog remember 1400 names of toys?

In the video PETA: People for the Ethical Treatment of Animals, at approximately 06:12, the woman says that there is/was a dog that was trained to have memorized 1400 names of toys. Its master would ...
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15 votes
1 answer
6k views

Does genital-electrocution of animals cause immediate death?

People for the Ethical Treatment of Animals (PETA) claim that fur-farms use genital electrocution techniques to kill animals without damaging the fur: Animals have clamps attached to or rods forced ...
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15 votes
2 answers
12k views

Does plucking the feathers from live and conscious birds cause them pain?

From: http://www.peta.org/issues/Animals-Used-for-Clothing/down-and-silk-birds-and-insects-exploited-for-fabric.aspx Plucking birds causes them considerable pain and distress. Is there any truth ...
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5 votes
1 answer
5k views

Did dragons exist?

Dragons have been common to many cultures and mythologies. Some famous are St. George slaying a dragon and Chinese dragons, such as the symbol used for the Emperor of China. Creationists and Bible ...
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16 votes
2 answers
26k views

Can small bags of water repel mosquitoes?

I was in Nicaragua recently and noted many restaurants and convenience stores had small sandwich sized bags filled with water hanging at their entrances. When I asked why, they said it was to repel ...
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12 votes
2 answers
7k views

Is the total biomass of ants roughly equal to the total biomass of humans?

According to About.com The total biomass of all the ants on Earth is roughly equal to the total biomass of all the people on Earth. Is the above statement just a myth or its in fact real? Are ...
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11 votes
1 answer
2k views

Can dolphins accidentally detonate naval mines?

According to animal rights activists, U.S. Navy's usage of dolphins to locate naval mines is questionable, as they may cause mine to explode: The ethics behind using these mammals during war is ...
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37 votes
1 answer
20k views

Does a lobster feel little/no pain when boiled alive?

Image Source I have just read Cracked.com's "9 Ridiculous Cooking Myths You Probably Believe", that claims: [...] because [the lobster's] nervous system isn't very complex, so it's feeling little ...
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13 votes
2 answers
2k views

Are there no camels in the Qur'an?

It seems to be an often-repeated saying that "there are no camels in the Koran". But I just repeated this factoid in the presence of a guy from Syria who insisted it's not true and that there is a ...
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-6 votes
3 answers
1k views

Are pet RFID chips (eg: "HomeAgain") capable of fulfilling Revelations 13:16-17?

Regardless of the veracity of the Christian bible in general, could the technology behind the microchips (RFID tags) implanted into pets--used to re-unite lost pets with their owners--be used to track ...
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6 votes
1 answer
429 views

Do maneaters exist?

Can an animal develop an affinity for manflesh? Would a tiger like human meat so strongly that it goes after humans?
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6 votes
0 answers
899 views

Does chicken manure keep cats away from garden areas?

This article mentions that chicken manure can keep cats away. Chicken manure around established plants can also deter cats as they don't like the smell. Is it true?
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4 votes
0 answers
134 views

Do Vitamin B1 patches prevent mosquito bites? [duplicate]

Possible Duplicate: Is Vitamin B12 an effective mosquito repellent? This Denver Post article suggests that mosquitoes dislike biting people who have excess vitamin B1. The notion behind the ...
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14 votes
4 answers
3k views

Do we know why animals have evolved to have sex for reproduction?

I've been reading 13 Things That Don't Make Sense: The Most Intriguing Scientific Mysteries of Our Time (2010) and Chapter 10 concentrates on the subject of Sex. The author argues that we do not know ...
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20 votes
2 answers
12k views

Is the "dancing squid" odori-don dead?

In these videos: http://www.youtube.com/watch?v=ug6pVj0Lq9w http://www.youtube.com/watch?v=dzj95jHuPiw http://www.youtube.com/watch?v=iqphVlp2VJI (shows what I think is the brain) Soy sauce is ...
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18 votes
1 answer
3k views

Did travelers by troika throw passengers before the wolves, to save others?

In several places, I have seen reference to the story that in the past in Russia, travelers by troika might throw one of the travelers before chasing wolves in order to save the other travelers (...
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5 votes
0 answers
167 views

Do electronic bug repellers work? [duplicate]

Possible Duplicate: Ultrasound pest control devices Do electric insect repellers example work? For context, I live in a rented house that has several of these installed. My personal observation ...
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11 votes
2 answers
6k views

Did Morocco provide 2,000 monkeys to the American-led effort in the Iraq War?

I've heard in various places - chief among them, Will Ferrell's 'You're Welcome America' - that Morocco contributed monkeys for bomb or land mine detonation in the 2003 Iraq War. Did this deal ...
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16 votes
1 answer
6k views

Are animals skinned alive or dead for their pelt?

An animal rights activist friend of mine recently went on a rant about how fur should be illegal. One of her main arguments was that all animals suffered greatly during the fur removing process as ...
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29 votes
1 answer
4k views

Can elephants jump?

Are elephants capable of jumping? The Internet has no clear answer: Some say yes, some say no. Examples: Dot Physics: No Elephants are one of the few animals that can't jump. Not even a little bit. ...
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47 votes
1 answer
239k views

Do pigs have 30 minute orgasms?

A widely circulated internet meme (see e.g. the oatmeal) states that pig orgasms can last up to 30 minutes. I've been trying to find any source or reference to back up (or refute) this claim, but ...
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18 votes
2 answers
9k views

Is it impossible to tell a lobster's age?

Source Stephen Fry said in the QI episode "I-Spy": "You can't tell the age of a lobster " (watch video) From the American Lobster FAQ: There is no foolproof way to determine a lobster’s age. ...
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22 votes
1 answer
1k views

Do goldfishes have a two or three seconds memory?

It is often claimed that goldfishes have a very short memory, usually of two or three seconds. Like most claims in the real world, I have yet to see a source provided for it. So, do goldfishes have a ...
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  • 7,530
8 votes
1 answer
858 views

Do Americans spend 49 billion dollars a year on pets?

I heard that people in Germany spend billions on pets and didn't believe it. But actually Germans spend around 3.3 billion Euro a year. The source seems serious. The only hint I found for US is this ...
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  • 1,933
5 votes
1 answer
466 views

A question about chicken eggs, which ones are best?

The eggs from my own chickens are different to the ones they sell in the stores. They are much smaller, have a whiter shell, have less egg white, and the yolk is lighter yellow. They also taste ...
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14 votes
1 answer
14k views

Is it safe for dogs to eat cooked chicken bones?

I've always been told not to let dogs eat cooked chicken bones since they can easily splinter/fracture and cause problems for the dog but I've never seen any satisfactory evidence of this and I am ...
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  • 583
52 votes
8 answers
22k views

Can trained humans run faster than all other animals on a marathon distance?

During the athletics world championship, a commentator mentioned casually during the marathon discipline that humans are faster over long distances than all animals. I'm unsure if this can be said ...
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6 votes
1 answer
539 views

Are bugs and other pests "crawling with disease"?

This is heard very commonly when someone sees an unwanted animal, especially near food. Flies, roaches, pigeons, rats, etc. are all claimed to be filthy and disease ridden, warranting their ...
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22 votes
2 answers
3k views

Did humans see fish at the bottom of the world's deepest trench, the Mariana trench?

Several Wikipedia articles, (Bathyscaphe, Trieste and Challenger Deep), about the 1960 Bathyscaphe Trieste trip to Challenger Deep, the deepest part of the Mariana trench, mention observations of ...
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21 votes
1 answer
6k views

Do ducks sink in soapy water?

It is often said that if one were to add surfactants to water ducks would not be able to float as their feathers would start soaking water instead of repelling it. Has anyone actually tried this ...
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  • 3,167
21 votes
2 answers
27k views

Do cats and dogs have saliva that has antibacterial or antiseptic properties?

Do cats and / or dogs have saliva that has antibacterial or antiseptic properties? Are these any more effective at preventing infection than the saliva of humans or any other animal (is cat or dog ...
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  • 18k
14 votes
1 answer
3k views

Are there examples of exclusive homosexuality in non-human animals?

I have often heard the claim that homosexuality exists in non-human animals. Sheep and dolphins seem to be common examples. I find it easy to believe that homosexual activity exists - some animals ...
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  • 243
99 votes
4 answers
59k views

Does every species get around a billion heartbeats on average?

I read this webcomic today: From: abominable.cc I have no idea where the author got his factoid about the billion heartbeats. But it sounds interesting. The examples I can think of (rabbits, humans,...
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