Millions of years ago, long-legged, big-beaked, meat-eating “terror birds” stalked the Americas. The imposing creatures ruled the roost as top predators of their ...
Because their feet are not adapted to process prey items, shrikes carry large items to thorny vegetation and/or barbed wire ...
Long before big cats, terror birds reigned as apex predators. Here’s how these flightless birds hunted, and why they went ...
High up from the forest floor, birds flit from limb to limb and weave their homes from leafy foliage, seemingly safe from ...
Wild black-tailed prairie dogs use alarm calls to warn one another of predators, and some grassland birds are listening in. Photo credit: Andrew Dreelin, Smithsonian’s National Zoo and Conservation ...
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