Dogs sometimes fake being sick to get attention.
26
Humans and dolphins are the only species that have sex for pleasure.
61
A rat can go without water longer than a camel can.
26
The katydid bug hears through holes in its hind legs!
110
Dalmatians are born without spots.
101
A 4-foot walrus penis bone sold at auction in 2007 for $8,000.
202
Giraffes are unable to cough.
50
