https://war.wikipedia.org/wiki/Contopus_lugubris
Contopus lugubris - Wikipedia
wikipedia
https://digitalcollections.library.oregon.gov/nodes/view/275668
Olive-sided flycatcher (Contopus cooperi): a technical conservation assessment | State Library of...
Date: 2007 | Collection: U.S. Forest Service | Read the full record details for Federal Publication: Olive-sided flycatcher (Contopus cooperi): a technical...