Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A scorpion can hold its breath for up to 6 days.
19
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The reindeer is the only mammal that can see UV light.
17