Cats and dogs can hear ultrasound.
350
The seahorse is the only fish to have a neck.
12
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Dogs have been man's pet for over 14,000 years.
224
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
The most expensive cow in the world was sold in 2009 for $1.2 million.
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