A satellite-tagged Bar-tailed Godwit 'A7' in the hand. Note the black flag with white engraving and the aerial extending over the tail. Image: © 2008 Adrian Boyle.
A satellite-tagged Bar-tailed Godwit 'A7' in the hand. Note the black flag with white engraving and the aerial extending over the tail. Image: © 2008 Adrian Boyle.