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 lion in the wild usually makes no more than twenty kills a year.
186
The oldest recorded elephant lived for 82 years.
213
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
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 reindeer is the only mammal that can see UV light.
17
Squirrels forget where they hide about half of their nuts.
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