Paul A Schwartz
8 Mar 1968
- Rio Grande ~ km 12; El Palmar
- 7.9666667 -61.8833333
- 250 meters
- NAGRA III
- Electro-Voice 650
- Parabola 91.4cm (36in)
NOTES: Neotropical Institute Cut # 28. Bulk reel: 51
a) Bird brought into song by whistled imitation of type A song. Quality: 1-2. Level: +7.
Bird sings type A song; recording made some time after bird returned to sing. Another also came close.
This bird was seen to be dark grayish-black above and very pale below.
b) 9/III/68 12:05 AM. ~ 1 km N of km 9.5. This bird was brought into song by playing part a). Note that its voice is higher than that of bird in a). (Type A song.) Quality: 1-2. Level: +10.
Collected (male #6525)