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
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
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The reindeer is the only mammal that can see UV light.
17
When you shave a guinea pig it looks like a little hippo.
19