BBS Methodology - Point Counts [page
a BBS Point Count (continued)
- Count all birds seen within 0.25-mile (400 m) radius except
dependent young, including downy young of water and shorebirds.
- Flocks too large to be counted during the 3-min time period may
- Count all birds heard regardless of suspected distance, unless
recorded at a previous stop.
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Laurel, MD, USA 20708-4038
Operations Contact: Keith
Pardieck, email: Keith_Pardieck@usgs.gov
Analyses Contact: John Sauer,
Last Modified: 10/31/01
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