The Grants found that the offspring of the birds that survived the 1977 drought tended to be larger, with bigger beaks. So the adaptation to a changed environment led to a larger-beaked finch ...
The birds are “meeting the season beak-on,” Mr. Dunne writes, and take note: A bird’s bill is not insulated. Nor are its legs and feet. So all those vulnerability points tend to be smaller ...
Birds-of-paradise number around 45 species and typically have elaborate feathers, colors, and mating displays. Birds also ...
The kitchen windows face due east. The narrow writing desk is as wide as the double windows and looks out at my deck. Ten ...
A newly discovered fossil provides strong evidence that modern birds lived alongside dinosaurs. The 69-million-year-old skull ...
In particular, changes to the size and shape of the beaks have enabled the different species to specialise in different types of food: seeds, insects, cactus flowers and fruits or even bird blood ...
In his memoir, The Voyage of the Beagle, Darwin noted, almost as if in awe, "One might really fancy that, from an original paucity of birds in this ... and shape of their beaks.
Bird beaks come in all shapes and sizes, and through observing those differences we can learn a lot about them. Our education ...