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.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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When dragonflies mate, their tails form a love heart.
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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.
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A group of unicorns is called a blessing.
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