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
Beavers can swim half a mile underwater on one gulp of air.
31
Roosters can't crow if they can't fully extend their necks.
28
Cats and dogs can hear ultrasound.
350
Flamingos pee on their legs to cool themselves off.
49
A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
Humans and dolphins are the only species that have sex for pleasure.
61
The 'vintage date' on a bottle of wine indicates the year the grapes were picked, not the year of bottling!
38