The various shapes and sizes of beaks came about as an adaptation to different sources of food, including large, hard-to-crack seeds or insects that live in hiding.
(The various shapes and sizes of beaks; came about; as an adaptation to different sources of food, including large, hard-to-crack seeds or insects) (large, hard-to-crack seeds or insects; live; L:in hiding)
The various shapes and sizes of beaks large, hard-to-crack seeds or insects
came about live
as an adaptation to different sources of food, including large, hard-to-crack seeds or insects
L:in hiding