Curtis A Marantz
1 Jun 1992
- Austin; Hornby Bend Wastewater Treatment Plant
- NAGRA IV-D
- Sennheiser MKH 815
NOTES: (Distance: 3+ m. Species Sound: Constant. Range Status: Migration. Vis. Display: Yes and No. Gen. Climate: Humid. Gen. Hab: Sewage settling ponds. Cov. Density: Open.) Some calls were given when two birds faced each other with wings spread--aggressive encounters. BP-2 in cut position. HPF @ 250 Hz.