Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Cows can sleep standing up, but they can only dream lying down.
745
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Bats sleep 18-20 hours per day.
5
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
The reindeer is the only mammal that can see UV light.
17
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16