Laguntzailea
James M. Hartshorne Laguntzaile honen media
Data
Kokapena
Red Rocks Lake Nat. Wildlife Refuge
Montana, United States
Kokapen honetako media fitxategiak Ilustratutako zerrendak- Adina
- Zehaztu gabea
- Sexua
- Zehaztu gabea
- Portaerak
- Hegan
- Soinuak
- Deia; Soinu mekanikoa
- Grabaketa
- Zehaztu gabea
Iruzkina
NOTES: Cover density: OPEN; FLIGHT CALLS SOUND AS THOUGH BIRDS WERE IN A SOUND CHAMBER DUE TO THE FACT THAT THESE BIRDS FLY IN PAIRS AND THE TRUMPETING OF ONE BIRD IS QUICKLY FOLLOWED BY THE OTHER BIRD. 10MAR56 - 11MAR56. Based on the site, these almost certainly represent Trumpeter Swans, at the time recognized by some authors as C. c. buccinator - CAM - 27 October 2004. Habitat: Pond.
Informazio teknikoa
- Grabatzailea
- Mikrofonoa
- Osagarriak
Artxiboko informazioa
- Digitalizatuta
- 16 May 2002 - Martha Fischer