When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
A dairy cow can produce more milk when listening to music.
446
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
A dork is a whale's penis.
327
Dogs sometimes fake being sick to get attention.
26