Strange Animal Facts

Sunday, April 5th, 2009 | Strange Facts with 1 Comment

I am bored so here are some totally random strange animal facts. 

An ostrich's eye is bigger than it's brain.

A mole can dig a tunnel 300 feet long in just one night

A cockroach can live several weeks with its head cut off – it dies from starvation

A crocodile always grows new teeth to replace the old teeth

A hedgehog's heart beats 300 times a minute on average

A hippo can open its mouth wide enough to fit a 4 foot tall child inside

A hummingbird weighs less than a penny

Bulls are color blind, therefore will usually charge at a matador's waving cape no matter what color it is — be it red or neon yellow

Camels have three eyelids to protect themselves from blowing sand

Cat urine glows under a black-light

Dogs and cats, like humans, are either right or left handed… or is that paws?

Porcupines float in water

The sloth (a mammal) moves so slowly that green algae can grow undisturbed on its fur

A dragonfly has a lifespan of twenty-four hours.

A duck's quack doesn't echo. No one knows why.

A female ferret will die if it goes into heat and cannot find a mate.

A lion's roar can be heard from five miles away. A pregnant goldfish is called a twit.

A rat can last longer without water than a camel.

A rhinoceros' horn is made of compacted hair. Crickets hear through their knees.

Crocodiles swallow stones to help them dive deeper.

Hummingbirds can't walk.

If you feed a seagull Alka-Seltzer, its stomach will explode.

Iguanas, koalas and Komodo dragons all have two penisesMore people are killed each year from bees than from snakes. Only female mosquitoes bite.

Orcas (killer whales) kill sharks by torpedoing up into the shark's stomach from underneath, causing the shark to explode.

Polar bear fur is not white, it's clear


  1. 1
    Ethan // November 1st, 2012 at 3:23 am

    Neat. Except for…

    Moles dig about 18 feet per hour, so unless your night is more than 16 hours long…

    A hedgehog’s normal heart rate is between 180 and 280 BPM.

    A ruby-throated hummingbird weighs about 3.1 grams, while a modern (post-1982) American penny weighs 2.5 grams. The old (pre-1982) 95% copper pennies weighed 3.1 grams, so about the same as a hummingbird.

    A dragonfly, from egg to natural death, will live from 6 months to several years. As an adult it can live several months.

    A duck’s quack echos just like all sounds, unless the duck knows a way to break the laws of physics.

    Prolonged heat is dangerous for a female ferret, because it can last 160 days if she’s not bred and can cause severe anemia, however death is not a certain thing.

    A common rat cannot live long without water, and chooses to live near sources of water because of this. Perhaps someone was thinking of the kangaroo rat which lives in deserts, and can survive without drinking any water at all, because it gets its water from the seeds it eats.

    A hummingbird can scoot sideways while perched, which is sort of like walking, but with such flight capabilities, who needs to walk?

    Who ever got the idea that seagulls explode if they eat Alka-Seltzer, they certainly never tried it! (Birds can belch, too.)

    Most reptiles, including iguanas and Komodo dragons, have dual penises. Most marsupials, including koalas, have bifurcated (twin-headed) penises.

    I could find no evidence that orcas kill sharks by exploding their stomachs. I did find that they kill sharks by “karate-chopping” them with their tails, flipping them over (which immobilizes them) then finishing them off at their leisure. Which is pretty cool if you ask me.

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