The largest breed of rabbit is the Flemish Giant.
65
Squirrels forget where they hide about half of their nuts.
698
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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