Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A scorpion can hold its breath for up to 6 days.
19
A lion in the wild usually makes no more than twenty kills a year.
186
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
When dragonflies mate, their tails form a love heart.
22