kHz
Bidragsyter
Walter A. Thurber Media from this contributor
Dato
05:30
Lokalitet
Hacienda Los Pinos
Usulután, El Salvador
Media from this location Illustrert sjekkliste- Alder
- Ikke spesifisert
- Kjønn
- Ikke spesifisert
- Oppførsel
- I flukt
- Lyder
- Lokkelyd; Ikke lydytrende
- Lydavspilling
- Ikke spesifisert
Kommentarer
NOTES: FOR SEVERAL NIGHTS 200-400 TREE-DUCKS SPENT THE NIGHT IN THE LIMITED AREA OF THIS STREAM AND ITS FLOODED BANKS. ONE MORNING I ARRIVED AT DAWN INTENDING TO RECORD THEIR DEPARTURE. A BAND OF ABOUT 30 DUCKS SPRANG UPWARD, CALLING LOUDLY. THIS BA Sex: 300 UNKNOWNND WAS FOLLOWED BY OTHERS. THE LAST BIRDS DID NOT VOCALIZE SO MUCH BUT THE SWISH OF THEIR WINGS IN THE RECORDING ANNOUNCES THEIR PASSAGE. I ESTIMATE 300 BIRDS PASSED OVERHEAD IN ONE MINUTE. SLUGGISH, WEED-CHOKED STREAM WITH FLOODED BANKS. Other Behaviors: Depart, Establish Flock Contact. Habitat: Creek.
Additional species
Teknisk informasjon
- Opptaker
- UHER 4000 REPORT IC
- Mikrofon
- Tilbehør
- Parabola 45.7cm (18in)
Arkivinformasjon
- Digitalisert
- 16 Aug 2005 - Mike Andersen