Creatures

Evolution is so strange. Dolphins started off as sea creatures, then evolved to have legs, only to eventually return to the sea and lose them.
Kinda defeets the porpoise, don't you think?
I swear I saw one of those mythical creatures somewhere in the bush; but when I came back, it was uni-gone.
Did you hear about the misbehaving unicorn? Sure, but I never though that these creatures could get so horny.
Zebras usually hold strong opinions. They are very black and white creatures.
Which sea creatures cry the most?
Whales!