Kevin J Colver
15 Jun 1990
- Jones Valley
- Coniferous Forest
- SONY TCD-D10
- Sennheiser ME 20
- Roche Parabola 60cm/14.5cm (23.6in/5.7in)
NOTES: (RRN: 90-21-22,24-30,33; Number of Animals and Sex: ?nestlings unknown sex, 2 adults unknown sex; Species Sound: infrequent; Breeding Status: breeding; Behavioral Context: several feeding passes made by 2 adults. calls by adults were made sometimes when both parents arrived at nest hole simultaneously, sometimes in alarm at my presence. nestlings are heard; General Climate: cyclic wet-dry; General Habitat: quaking aspen grove; Temperature: 4-21¡C; Filtering: yes) **. Drumming on 25,29 in trees near nest. Adults are foraging in nearby trees and more distant - >100m - trees.
BNA: Begging calls of young are heard, as well as some tapping. CZ 24/02/2004.
[These are the Begging Calls of nestlings (the "peep" of BNA, said to be given by roughly two-week old birds). See also LNS #106545 and Figure 6E of BNA. Quality added (2-3 - maybe 2 in places, but rather busy almost throughout) - CAM - 20 April 2005]