Trend data for Rufous Hummingbirds
on the North Coast of Oregon

About 150 Rufous Hummingbirds have been captured at the Neawanna
Banding Station since banding began in 1999.  The pattern of movement
through the area is fairly consistent with a peak in early April.  Hatch-
year birds begin to appear in the first week of June and peak in late June.
No hummingbirds have been captures past June 30.


The pattern of captures per net varies over the site.  Most females concentrate
around nets 3 and 6, while males are more uniformly distributed.  Females
are being captured more frequently around the patches of Black Twinberry
(Lonicera involucrata).  I suspect that males are more evenly distributed
because of territorial chasing.