Lobsters have blue blood.
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The elephant brain weighs about 6,000g.
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There's a rare breed of pig that looks like a sheep.
14
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
The head of a jellyfish is called the "Bell."
6
A scorpion can hold its breath for up to 6 days.
19
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13