Cats recognise the voice of their owner, but never evolved to care.
22
Only 3% of bird species have penises.
0
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
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
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Moths are unable to fly during an earthquake.
328
Dolphins have names for one another.
18