Black Phoebe (Northern)
Sayornis nigricans [nigricans Group]
William W. H. Gunn
2 Aug 1981
- Canyon Ranch, S. of Green Valley
NOTES: Single note calls: 11111. Background sounds: heavy traffic, identification. Recorded with Steve Russell.
[This recording contains six examples of what appears to represent the "chevron-peaked" form of the Initially Peaked Vocalization of BNA and Smith (1970. Song-like displays of Sayornis species. Behaviour 37: 64-84). Quality changed from 2-3 to 2 (but with a bit of road noise) - CAM - 4 April 2005]