ML10746
Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)
Contribuidor
Fecha
Localidad
- Edad
- No especificado
- Sexo
- No especificado
- Comportamientos
- Buscando alimento o comiendo
- Sonidos
- Canto
- Playback
- Se usó playback
Comentarios
NOTES: Strata: SONG PERCH; V. "LAWARENCEI". BIRD RESPONDED TO PLAYBACK BY STOPPING A SERIES OF SONGS AND FLYING OVERHEAD CONTINUING ON TO ONE OF ITS REGULAR PERCHES. THE LAWRENCE SANG FROM BRANCHES OF DEAD TREES, MAKING A CIRCUIT EVERY 10 OR 20 MINUTES, APPARENTLY FEEDING IN BETWEEN TIMES, ALL WITHIN AN AREA LESS THAN 200FT IN DIAMETER. 27 SONGS PHARSES. 3 OF THE VERMIVORA PINUS TYPE. REMAINDER A UNIFORM TRILL. CADENCE APPOXIMATELY 10.3 SECONDS. BAN PASS 1000HZ TO 15000KHZ. [This is almost exclusively a dry trill that sounds like some components of "Type II" song of either parent species. The three exceptions (2:27, 2:30, and 3:03) are typical of the "beeee buzzzz" song of Vermivora pinus. Quality changed from 2-3 to 2 (wind/hiss increases at 2:05, but otherwise not bad) - CAM - 25 January 2005]. Sound stimulation was (other): PLAYBACK. Other Behaviors: Advertise.
Especies adicionales
- Northern Flicker Colaptes auratus
- Gray Catbird Dumetella carolinensis
- Wood Thrush Hylocichla mustelina
- Northern Mockingbird Mimus polyglottos
- Rose-breasted Grosbeak Pheucticus ludovicianus
- Eastern Towhee Pipilo erythrophthalmus
- European Starling Sturnus vulgaris
- Brown Thrasher Toxostoma rufum
- American Robin Turdus migratorius
Información técnica
- Grabadora
- NAGRA III-B
- Micrófono
- Accesorios
- Parabola 101.6cm (40in)
Información de archivo
- Digitalizada
- 3 May 2002 - Martha Fischer