Think for a minute about all the things your parrot does with its beak:  It forages for, transports and breaks apart food.  It builds nests and feeds the babies.  It’s used for climbing, gripping and balancing.  It’s used in daily grooming. It’s their tool of choice in picking the padlocks we put on their cages, and, in conjunction with pressure capabilities of up to 1500 psi in their jaws (in macaws, according to tests done with a veterinarian’s oral speculum), it is a formidable weapon. We mere humans require power tools to ...

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