Sometimes nature surprises us with extraordinary products of evolution. One prime example is the extraordinary sword-billed hummingbird (Ensifera ensifera). These relatively small birds have carved a ...
Bird beaks come in almost every shape and size—from the straw-like beak of a hummingbird to the slicing, knife-like beak of an eagle. We have found, however, that this incredible diversity is ...
The southern cassowary ( Casuarius casuarius) is one of the most dangerous birds on Earth, and while its powerful legs and ...
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