Global Short Term Trend: Relatively stable to decline of 30%
Comments: Breeding Bird Survey (BBS) data suggest a slow ongoing decline averaging around 10% over 10 years, which probably is close to three generations.
Global Long Term Trend: Unknown
Comments: Trend over the past 200 years is unknown, but this species appears to have undergone a slow decline over the past several decades. Breeding Bird Survey (BBS) data indicate a significant survey-wide decline averaging 1.1% per year during 1966-2007; this amounts to a 36% decline over this period. BBS abundance (average number of individuals per route) declined from 2.7-3.0 in the late 1960s and early 1970s to 2.0-2.4 in 2000-2007.
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