The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Cats recognise the voice of their owner, but never evolved to care.
22
When you shave a guinea pig it looks like a little hippo.
19
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16
There are approximately three chickens for every human on Earth.
13
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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