Paradise Tanager

Overview

The paradise tanager (Tangara chilensis) is a brilliantly multicolored, medium-sized songbird whose length varies between 13.5 and 15 cm (5.3 to 6"). It has a light green head, sky blue underparts and black upper body plumage.The vivid colours of the paradise tanager have been linked to underlying achromatic feather layers (black or white) that enhance the brilliance of structural colours. Depending on subspecies, the behind is yellow and red or all red. The beak is black and the legs are grey.

Summary from Wikipedia, available under CC BY-SA 4.0.