https://davesbirdingdiary.blogspot.com/2014/11/black-shouldered-kite-elanus-caeruleus.html
DavesBirdingDiary: Black-Shouldered Kite ( Elanus caeruleus )
black shouldered kiteelanus
https://digitalcommons.usf.edu/western_birds/vol15/iss4/7/
"Black-shouldered Kite and Northern Goshawk Interactions with Peregrine" by Brent S. Stewart and...
By Brent S. Stewart and Robert L. Delong, Published on 01/01/84
black shouldered kite