Birds are also pre-adapted for long-distance migration in ways other animals are not. One of the main advantages of flight is its speed, which is much faster than the alternatives of walking,...
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Human activities are modifying the chemistry and physics of the atmosphere, as well as the characteristics of the land surface, freshwater lakes and streams, and oceans. These changes are altering...
History of beaks in birds Birds have beaks, but they're not the only ones. Turtles have them, and so did a bunch of extinct dinosaur groups, but birds are by far the most diverse group of beaked...
What time do birds build a nest? Nesting behaviour of birds!
No bird gives birth to live young. Instead, birds prepare nests to cradle their eggs and their developing young. Caring first for the eggs and then for the young requires a major commitment of time...
The one feature that sets birds apart from all other animals isn't their bills or wings or that they lay eggs, there are other animals that have or do these things too. What makes birds unique is...
Feathers are essential but delicate structures, so birds spend a good deal of time caring for them. Because the mature feather is a dead structure, it has no circulatory system for internal...