Cats recognise the voice of their owner, but never evolved to care.
22
A scorpion can hold its breath for up to 6 days.
19
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
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
The elephant brain weighs about 6,000g.
274