Frogs cannot swallow without blinking.
41
The octopus' testicles are located in its head.
82
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Butterflies taste with their feet.
30
The lifespan of the common goldfish is over 20 years!
60
Some breeds of chickens lay colored eggs!
51
All clams start out as males; some decide to become females at some point in their lives.
50