Bruce W Miller
12 Apr 1986
- 11.0 km N of Emporia (*see notes)
- UHER 4000
NOTES: These vocalizations were given when the birds resumed display following a hawk soaring by.
See map in Miller, B. file for exact recording location.
BNA: The recording begins with "Whine" and "Cackle" calls (I think) followed by Booming vocalizations. CZ 02/02/2004