kHz
Bidragsyter
Matthew Halley Media from this contributor Profil
Dato
Lokalitet
Wissahickon Valley Park--Cresheim Woods
Philadelphia, Pennsylvania, United States
Media from this location Illustrert sjekkliste- Alder
- Ikke spesifisert
- Kjønn
- Ikke spesifisert
- Lyder
- Sang
- Lydavspilling
- Playback not used
Observasjonsdetaljer
One bird was singing from a high perch on the NE (Mt. Airy) bank of the Wissahickon, just downstream of Glen Fern. About 20 minutes later, I encountered a second bird, about 100 m upstream of the original sighting. This bird was giving "chtttt" calls. The distance between the sightings made me consider these as separate individuals, although I cannot rule out that they were the same bird.
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