Female kangaroos have three vaginas.
2
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Cats recognise the voice of their owner, but never evolved to care.
22
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Lurch, a Watusi bull, had the largest horns in the world.
32