The pupil of an ostrich's eye is rectangular. Camel's milk does not curdle. In the last 4000 years no new animals have been domesticated. Many hamsters only blinkone eye at a time. An animal epidemic is called an epizootic.
Most snakes have either only one lung, or in some cases two, with one very reduced in size.
This apparently serves to make room for other organs in the highly-elongated bodies of snakes. Cats in Halifax, Nova Scotia, have a very high probability of having six toes. Rats like boiled sweets better than they like cheese. Murphy's oil soap is the chemical most commonly used to clean elephants. The ant can lift 50 times its own weight, can pull 30 times its own weight and always falls over on its right side when intoxicated.