[CT Birds] Cerulean Warbler Question

holmses at cox.net holmses at cox.net
Mon Oct 3 16:57:40 EDT 2011


I've seen some at Cabela's buying House Sparrow camoulflage. 
---- Sharon Abner <sharonorganist at hotmail.com> wrote: 
> 
> They still nest on River Road in Kent. Sharon Abner
>  > From: pcianfaglione at hotmail.com
> > To: ctbirds at lists.ctbirding.org
> > Date: Mon, 3 Oct 2011 16:57:44 +0000
> > Subject: [CT Birds] Cerulean Warbler Question
> > 
> > 
> > I was reading the 2011 Connecticut State Of The Birds booklet this morning and came across an eye-opening statistic stating that there are 6000 breeding male Cerulean Warbler and 10,000 male Acadian Flycatchers inhabit Connecticut's forests (Dr. Robert Craig, Director of Bird Conservation Research, Inc. , Putnam, CT; State of the Forest Birds, pg. 16). 
> > Does anyone have any other information or studies to substantiate these statistics? Are they this common? Where is their stronghold in the state? Any comments from the CT conservation community? 
> >  
> > Paul Cianfaglione
> > Canton   
> >  
> > Below is a 2000 Cerulean Warbler Status Assessment and a couple excerpts that seem to contradict those stats.  
> > http://library.fws.gov/Pubs3/statusass/ceruleanwarbler.pdf
> >  
> > The numbers of cerulean warblers are declining at rates comparable to the most
> > precipitous rates documented among North American birds by the cooperative Breeding
> > Bird Survey.
> >  
> > The species is not in danger of imminent extinction, but it is rare enough to warrant
> > concern, and its future is not assured. Based upon extensive BBS data, cerulean
> > warblers have declined sharply over the past 30 years. Should that trend continue
> > another 30 years, population sizes are predicted to be only 8% of the 1966 levels. It is
> > unclear whether the species could persist with numbers as low as those.
> > Connecticut
> >  
> > Summary: Regular migrant and breeding species in small numbers in the state.
> > BBS: No confident trend estimate is available from the BBS; relative abundance 0.01
> > birds/route.
> > BBA: Breeding was confirmed on 9 of 39 blocks where located in the state, in two
> > populations established in the 1970s, in the Housatonic Valley and at East Haddam.
> > Occurrence on 6.5% of blocks in the state, representing all counties (Ellison in Bevier
> > 1994, p.322-323).
> > State Status: The species has no legal status other than that afforded by the Migratory
> > Bird Treaty Act. The avian selection committee did not feel it met listing criteria in
> > Connecticut (J. Dickson, Connecticut Dept. of Environmental Protection, pers. comm.,
> > 12 August 1996).
> > Natural Heritage Rank: See Table 12. Tracked by the Connecticut Natural Heritage
> > Program.
> >  
> >   		 	   		  
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