Herring Gull, Larus argentatus

Recording AV#11340. USA: Delaware; Bombay Hook National Wildlife Refuge (39.26, -75.47)
recorded by Pamela C. Rasmussen

Recording Characterization

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Graphic Sound Analysis
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Sonogram of recording #AV 11340
AVoCet catalog #AV11340
Audio duration (s)95.0
ID confidence and determination100%
seen well calling
Other identified bird speciesLarus marinus, Calidris alba, Anas rubripes, Tringa melanoleuca, Branta canadensis
Other noisefoghorn
Sound types presentcalls
Grade of best portiongood
Playback usedno

Individual Characterization

Ageadult
Determined by: plumage
Behaviorswimming along with the Great Black-backed Gull, very close by, and posturing and calling frequently, the GBBG answering less often. Shortly afterward the two flew off together. Had they not been different species I would have assumed them to be a pair.
Group size1

Environment

Recording dateNovember 14, 2010
Time recorded (24h)9:13h
LocationUSA: Delaware; Bombay Hook National Wildlife Refuge (39.26, -75.47)
Coordinates determined by: GeoHack
Elevation (m)0
Determined by: estimate from Google Earth
Weatherclear, calm, pleasant
Habitatbay

Additional Information

Recordist namePamela C. Rasmussen
Copyright/permissionscopyright by recordist; freely available with attribution
Recording EquipmentNagra Ares BB+, Sennheiser ME-66/K6