A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
When you shave a guinea pig it looks like a little hippo.
19
Cats sleep for 70% of their lives.
8
A lion in the wild usually makes no more than twenty kills a year.
186
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16
Squirrels forget where they hide about half of their nuts.
698
The colossal squid has the largest eyes in the world.
4