BIRDS

Birds are a group of warm-blooded vertebrates constituting the class Aves, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong but lightweight skeleton. Birds live worldwide and range in size with over 11,000 living species.

Please click on thumbnail to view image

Previous
Previous

Astrophotography

Next
Next

Cornwall