Tigers can see 6 times better at night than humans.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
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
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Domestic pigs average a top speed of about 11 miles per hour.
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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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