Frogs cannot swallow without blinking.
41
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
A 4-foot walrus penis bone sold at auction in 2007 for $8,000.
202
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18