Assertion: carolina parakeet | /r/CapableOf | forage on poisonous cockle-burs
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text: It foraged on a variety of wild feed, like burgrass seeds, thistle seeds, wild grapes, berries, and poisonous cockle-burs, but as humans destroyed its natural feeding sources, the parrot turned to crop-eater, and this was another misfortune of their evolution: naturally gregarious, they were easily shot-gunned by the hundreds by farmers protecting crops which replaced the birds’ former diet.