Geoffrey A Keller
5 May 2002
CaliforniaSan Diego County
- Tijuana Slough National Wildlife Refuge
- Salt Marsh
- HHB PORTADAT PDR 1000
- Sennheiser MKH 106
NOTES: "Bird was vocalizing from salt marsh containing pickle weed... Bird was concealed in vegetation singing very close to the ground. Elevation is sea level."
BNA: Song is heard. CZ 03/06/2004.
ML: Subject changed from recordist's original identification of Passerculus sandwichensis beldingi to Passerculus sandwichensis [guttatus Group] to conform to eBird Taxonomy (v. 1.55). -Jay McGowan/Matt Medler, July 2015.