William W. H. Gunn
25 Apr 1959
- Delta; Delta Waterfowl Research Station; East Pond
NOTES: Recordist's Notes: 59027A
These are greater yellowlegs. Flock of about 102, on ground, in flight + settling in.
temp. below freezing. mostly ice.
LNS: Bias noise; had to notch filter at ~22 kHz; high-pass @ 125 Hz.