One litter of kittens can be produced by more than one father.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
A group of kittens is called a "kindle".
10
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
When cats are happy, they may squeeze their eyes shut.
10
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26