Cats recognise the voice of their owner, but never evolved to care.
22
Lobsters have blue blood.
476
When dragonflies mate, their tails form a love heart.
22
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
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
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.
25