A Male And Female Tree Swallow ( Tachycineta Bicolor ) Protect Their Nesting Box ...
Stockphoto ID: 692883
File name: 004818-05-03.jpg
Format: film, 35mm
Property release: no Model release: no
Source: photographer Based in: United States
Description: A male and female tree swallow ( Tachycineta bicolor ) protect their nesting box and young from an approaching human The male , on top of the box , has brilliant , iridescent blue green wings