Sight and Sound
William W. H. Gunn
27 May 1970
- Elk Island National Park; Beaver Dam
- Parabola 101.6cm (40in)
NOTES: Caution: 1/2 mil tape handle with care
Calls from 2 birds - perhaps territorial dispute??
See also Envt'l IENP, Cuts 3,4
Also: western wood-pewee, red-winged blackbird, yellow wblr, aircraft, E. kingbird, mourning dove, downy woodpecker, am. widgeon, wind in poplars.