Dogs sometimes fake being sick to get attention.
26
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
A scorpion can hold its breath for up to 6 days.
19