Lurch, a Watusi bull, had the largest horns in the world.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
When you shave a guinea pig it looks like a little hippo.
19
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4