Jellyfish as a species are actually older than dinosaurs and sharks.
383
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
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
Only 3% of bird species have penises.
0
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492