William W. H. Gunn
1 Jun 1977
- North of the entrance To Big Bend National Park
NOTES: "early am; (Identified at the time only as a myiarelus type flycatcher. Now thought to have been this species) In open country; flatlands, close to hwy." (WWHG). ML: Subject changed from Myiarchus cinerascens to Sayornis sayi based on comparisons from the ML archive. Jay McGowan 9Apr2014.