Juvenile lammergeier with meat in its beak and a griffon vulture attempting to steal it

Kleptoparasitic

Kleptoparasitic animals are thieves and bandits. They steal food, nest material or other resources from their own species or from another one. Gulls are a famous example - they harass other seabirds such as puffins and kittiwakes into giving up their fish, and even snatch chips from unwary people on many a seafront. Lions and hyenas both steal each other's kills, so both can be considered kleptoparasitic.

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BBC News about Kleptoparasitic

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