Slaty-backed Gull, with the wing up you can see the ‘sting of pearls’
Slaty-backed Gull at Northridge Lakes in Milwaukee Wisconsin on February 13, 2017
Slaty-backed Gull at Northridge Lakes in Milwaukee Wisconsin on February 13, 2017
Slaty-backed Gull, with the wing up you can see the ‘sting of pearls’