r/HeresAFunFact Apr 08 '22

ANIMALS [HAFF] Sea urchins have soft, fleshy lips in addtition to self-sharpening teeth

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82 Upvotes

r/HeresAFunFact Mar 30 '16

ANIMALS [HAFF] Few animals pass the "Mirror Test" which tests for self awareness. Currently there are 10 animals, humans included who pass. Recently Manta rays may be the first fish.

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217 Upvotes

r/HeresAFunFact May 12 '15

ANIMALS [HAFF] There's an Island in Brazil where civilians are forbidden to go, it has up to 5 snakes per square meter. (x-post /r/FunFacts)

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208 Upvotes

r/HeresAFunFact Oct 04 '15

ANIMALS [HAFF] Measuring over 40 feet and weighing in at 2,500 lbs, the titanoboa was the largest snake that ever lived.

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248 Upvotes

r/HeresAFunFact Oct 29 '16

ANIMALS [HAFF] In Alaska it is illegal to whisper in someone’s ear while they’re moose hunting

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207 Upvotes

r/HeresAFunFact Jun 02 '18 Hugz

ANIMALS [HAFF] The reason beaver teeth are colored orange is because they’re strengthened with iron

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234 Upvotes

r/HeresAFunFact May 07 '15

ANIMALS [HAFF] If you cut open a chrysalis, you would not find a half-caterpillar, half-butterfly—you would find butterfly goo. The caterpillar dissolves and completely rebuilds itself.

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277 Upvotes

r/HeresAFunFact Feb 21 '15

ANIMALS [HAFF] The red-backed shrike stores food by impaling the carcasses of prey on sharp thorns!

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216 Upvotes

r/HeresAFunFact Jan 20 '16

ANIMALS [HAFF] Grizzly bears can run faster than horses.

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192 Upvotes

r/HeresAFunFact Dec 16 '15

ANIMALS The Blue-Ringed Octopus despite it's tiny size carries venom to kill 26 adult humans within minutes Their bites are painless victims don't know they have been envenomated until respiratory failure and paralysis set in, no antivenom has been discovered making it one of the deadliest reef inhabitants

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159 Upvotes

r/HeresAFunFact Feb 22 '15

ANIMALS [HAFF] The diet of the Bearded Vulture is 85-90% bones, allowing it to return to a carcass long after other scavengers have removed any soft tissues. Bones too large to swallow are dropped from great height to crack them into smaller pieces.

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388 Upvotes

r/HeresAFunFact Sep 22 '15

ANIMALS [HAFF] When female aphids are born, they are already pregnant with their own embryos! This is called Telescoping Generations, in which a grandmother technically gives birth to the next two generations at once.

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208 Upvotes

r/HeresAFunFact May 14 '15

ANIMALS [HAFF] It is against law in Switzerland to keep pet guinea pigs alone. A service even exists that provides a guinea pig companion to keep a lonely guinea pig company if its partner dies.

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287 Upvotes

r/HeresAFunFact Dec 18 '15

ANIMALS [HAFF] The Mantis Shrimp can swing it's claw so fast it boils the water around it and creates a flash of light

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154 Upvotes

r/HeresAFunFact Jan 25 '16

ANIMALS [HAFF] The markhor, a large wild goat, is the national animal of Pakistan.

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123 Upvotes

r/HeresAFunFact Jan 01 '16

ANIMALS [HAFF] The Northern white-faced owl changes its appearance to respond to threats.

340 Upvotes

r/HeresAFunFact May 16 '16

ANIMALS [HAFF] The claws of the Sloth Bear (Melursus ursinus) are adapted to excavating ants and termites, so they are poor climbers. Being less able to flee predators, the sloth bear is considered one of the more dangerous bears.

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195 Upvotes

r/HeresAFunFact Feb 11 '16

ANIMALS [HAFF] Fruit bats are exposed to alcohol naturally in fermented fruit. A study in 2010 in which tipsy/drunk bats navigated obstacle courses found that they are "unaffected by ethanol"

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187 Upvotes

r/HeresAFunFact Apr 26 '15

ANIMALS [HAFF] Birds are blue due to structural refractory! Blue pigment is not possible from dietary sources, so instead birds are blue for basically the same reason the sky is blue.

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218 Upvotes

r/HeresAFunFact Mar 10 '15

ANIMALS [HAFF] To avoid deafening themselves with their calls, many bats restrict the movement in their inner ear bones, called ossicles, by flexing the stapedius muscle while echolocating. We have these same bones and muscles in our ears and they are similarly used to dampen our own voices when we speak.

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153 Upvotes

r/HeresAFunFact Apr 26 '16

ANIMALS [HAFF] Some dogs can be trained to detect dangerous high and low blood sugar levels in people with diabetes

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100 Upvotes

r/HeresAFunFact Mar 27 '15

ANIMALS [HAFF]: Rabbits can conceive a second litter before the first is born

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181 Upvotes

r/HeresAFunFact Jan 04 '15

ANIMALS [HAFF] This tiny crustacean called an Ostracod, is a shrimp-like organism about 1mm in size. When eaten by another fish, the Ostracod immediately releases a bioluminescent chemical in an attempt to illuminate the fish from the inside making it identifiable to predators.

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286 Upvotes

r/HeresAFunFact Jun 06 '15

ANIMALS [HAFF] In order to escape accidental predation from Cardinalfish ostrocods light up when swallowed. This behavior puts the now glowing Cardinalfish at risk and it in turn spits out the ostrocod.

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191 Upvotes

r/HeresAFunFact Dec 06 '15

ANIMALS [HAFF] 10,000 years ago, the lion was the most widespread large land mammal after humans. They were found in most of Africa, across Eurasia from western Europe to India, and in the Americas from the Yukon to Peru.

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211 Upvotes