Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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