[TN-Bird] Re: Northern Bobwhite on Tennessee CBCs 1960-2007
- From: "Michael" <mlbierly@xxxxxxxxxxxxx>
- To: "Tennessee Birding" <tn-bird@xxxxxxxxxxxxx>
- Date: Mon, 19 Jan 2009 22:21:32 -0600
Northern Bobwhite on Tennessee Christmas Bird Counts 1960-2007, have
steadily declined. The highest number of individuals per party-hour during
this 47-year period occurred in 1974 with 0.8409 per party-hour (682 birds
on 16 counts). In 2007, the number of individuals per party-hour was 0.0438
(48 birds on 9 counts). The number per party-hour has been below 0.2 since
1995 and below 0.1 since 2000. A chart and a graph can be made on the
Christmas Bird Count web site,
http://www.audubon.org/BIRD/CBC/hr/index.html, that demonstrates the species
steady decline.
Michael Lee Bierly, Nashville, Davidson County, TN
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