The Beauty of Birds with Red Beaks In most cases, the red beaks are contrasted with muted plumage, but that doesn’t mean that you can’t find extravagant and colorful birds. 1.

So the birds that were the winners in the game of natural selection lived to reproduce. The big-beaked finches just happened to be the ones favored by the particular set of conditions Nature ...

The different finch species on the islands are closely related to each other, but show wide variations in beak and body size and feeding behaviour. In particular, changes to the size and shape of the ...