A puppy is born blind, deaf, and toothless.
16
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
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20