Backyard Bird Diaries: Beautiful Uninvited Guests

Listen to chirping birds and watch bird activities in backyard

Photo by Jeremy Hynes on Unsplash

Birds are warm blooded vertebrates of Class Aves. Classified by their feathers, beaks and claws and region they inhabit. They have lightweight skeleton which help in long flights, four chambered heart, toothless beaked jaws, high metabolic rate, lay hard shelled eggs and add to the beauty of nature! Observe these…