Birds are a group of warm-bloodedvertebrates constituting the class Aves, characterized by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
Printed with Japanese archival ink on a matte Hahnemühle paper in own workshop outside Copenhagen, Denmark.
This beautiful brown bird is elegant and graceful.
About 120 to 130 species have become extinct due to human activity since the 17th century, and hundreds more before then. Human activity threatens about 1200 bird species with extinction, though efforts are underway to protect them.