A group of kittens is called a "kindle".
10
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
When dragonflies mate, their tails form a love heart.
22
One litter of kittens can be produced by more than one father.
57
A new born kangaroo is small enough to fit in a spoon!
7
When cats are happy, they may squeeze their eyes shut.
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