Cats and dogs can hear ultrasound.
350
Only 3% of bird species have penises.
0
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
The cat brain weighs about 30g.
167
Lurch, a Watusi bull, had the largest horns in the world.
32