Black-headed Gull, Larus ridibundus

Recording AV#2718. India: Uttar Pradesh; Noida; Okhla Bird Sanctuary (28.5, 77.3)
recorded by Pamela C. Rasmussen

Recording Characterization

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Graphic Sound Analysis
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Sonogram of recording #AV 2718
AVoCet catalog #AV2718
Audio duration (s)9.9
ID confidence and determinationslightly less than 100%
seen poorly in flight; post-hoc ID based on voice
Other noiseurban, wind
Sound types presentcall
Grade of best portionbelow average
noisy, distant
Playback usedno

Individual Characterization

Behaviorflying over in formation
Group sizec.10
Same individual as in other cuts in same spatiotemporal group?calls from flock


Recording dateJanuary 04, 2010
Time recorded (24h)16:46h
LocationIndia: Uttar Pradesh; Noida; Okhla Bird Sanctuary (28.5, 77.3)
Coordinates determined by: GPS
Elevation (m)200
Weathercool, overcast, very windy
Position of sunlow
Habitatover reedbeds with scattered trees, water

Additional Information

Recordist namePamela C. Rasmussen
Copyright/permissionscopyrighted, freely available
Recording EquipmentNagra Ares BB+, Sennheiser ME66/K6