An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Tigers can see 6 times better at night than humans.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
A scorpion can hold its breath for up to 6 days.
19
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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