Let's not be too quick to blame the human race for everything. A great many species of animals became extinct before man ever appeared on earth.

The moral of the story of the Pilgrims is that if you work hard all your life and behave yourself every minute and take no time out for fun you will break practically even, if you can borrow enough money to pay your taxes.

Armadillos make affectionate pets, if you need affection that much.

As Darwin puts it in The Descent of Man, 'Male snakes, though appearing so sluggish, are amorous.' Isn't that just like Darwin? It was one of his main ideas, you know, that the males of almost all animals have stronger passions than the females. Since then we've learned a thing or two. At any rate, the female snake is right there when spring arrives in the woods.

The sloth lives his life upside down. He is perfectly comfortable that way. If the blood rushes to his head, nothing happens because there is nothing to work on.

The Dodo never had a chance. He seems to have been invented for the sole purpose of becoming extinct and that was all he was good for.

Galvani was mistaken about the amount of electricity in frogs, but he had some good ideas, too, for the galvanometer is named in his honor, and you don't have galvanometers named after you merely for making a mistake about a frog.