A scorpion can hold its breath for up to 6 days.
19
Sharks, like other fish, have their reproductive organs in their chests.
248
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Penguins have a gland above their eye that turns saltwater into freshwater.
12