Our birds
Birds are warm-blooded vertebrates. Some eat seeds and fruits, others feed on insects or worms, and larger species, such as the eagle, may feed on rodents and other larger animals. Some, like the hummingbird, feed on pollen.
Birds are warm-blooded vertebrates. Some eat seeds and fruits, others feed on insects or worms, and larger species, such as the eagle, may feed on rodents and other larger animals. Some, like the hummingbird, feed on pollen.
