A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
The Basenji dog is the only dog that is not able to bark.
4
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10