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Brown Thrasher (Toxostoma rufum), Anza Trail at Clark's Crossing, Santa Cruz CountyThis Brown Thrasher was
discovered by Jeff Gilligan on 11 December 2011 and photographed by Dick Dionne on 01 January 2012. Brown Thrasher is a causal fall, winter and spring visitor. Fewer than 1 or 2 are found every year. The bright rufous back and bold streaking of the
underparts easily distinguish Brown Thrashers from other
Arizona thrashers. However, all Brown Thrashers in
Arizona should be carefully scrutinized for Long-billed
Thrasher. There is as yet no accepted record of
Long-billed Thrasher in Arizona but many consider a
record overdue. Eastern forms of both species are easily
distinguished: Long-billed is browner above, grayer on
the face, streaked with black, rather than brown, below
and has a whitish, rather than buffy, breast. However,
western forms of both species, as would be expected to
occur in Arizona, converge in appearance more than the
standard field guides show. One of the best field marks
then is the bill, which is usually all dark in
Long-billed (with at most a paler gray base). The
extensive fleshy base to the bill in this bird clearly
marks it as a Brown Thrasher.
01 January 2012, photo by Dick Dionne All photos are copyrighted© by photographer |
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Submitted on 27 January 2012 |
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