kHz
Bidragsyter
Arthur A. Allen Media from this contributor
Elsa G. Allen Media from this contributor
Dato
Lokalitet
Aransas National Wildlife Refuge; Austwell
Texas, United States
Media from this location Illustrert sjekkliste- Age and sex
- Unknown age, Female - 1; Unknown age, Male - 1
- Lydavspilling
- Ikke spesifisert
Kommentarer
Double-note made by two birds with the male being lower. Third recordist: J. Howard.
Teknisk informasjon
- Opptaker
- MAGNEMITE UNSPECIFIED MODEL
- Mikrofon
- Tilbehør
- Parabola (Unknown Diameter/Focal Length)
Arkivinformasjon
- Digitalisert
- 20 Oct 2000 - Martha Fischer