Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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The seahorse is the only fish to have a neck.
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The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
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There's a rare breed of pig that looks like a sheep.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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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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