Date: Mon, 13 Mar 2000 08:40:15 -0500 Reply-To: Maryland Birds & Birding Sender: Maryland Birds & Birding From: "Rob (Robert) Hilton" Subject: Re: Rusty Blacckbirds In-Reply-To: <001601bf8ceb$badb4a40$d7774e0c@oemcomputer> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Here's the full citation for the article to which Paul Woodward refers: On the Decline of the Rusty Blackbird and the Use of Ornithological Literature to Document Long-Term Population Greenberg, R., and Droege, S. Senior author's address Smithsonian Migratory Bird Center, National Zoological Park, Washington, DC 20008, USA Author's E-mail antbird@erols.com Title: Conservation Biology; volume 13, number 3, June 1999, pages 553-559 Best, Rob Hilton robert@csa.com Bethesda At 07:56 AM 3/13/00 -0500, Paul Woodward wrote: > In an article last year in the Journal of Conservation Biology Greenberg >and Droge suggested that from the 1960's to the 1980's , based on Christmas >counts and Breeding Bird Surveys, populations of Rusty Blackbirds declined >90%. They attribute at least part of the decline to acid rain on the >breeding grounds in Canada. If this is true then possibly Solitary >Sandpipers which nest in the same habitat, often in old blackbird nests, >should show a similar decline. These would be two species to pay spoecial >attention to as they pass through Maryland. I think, however, one of the >major reasons for the rusty decline was the massive killing of blackbirds in >their winter roosts during this period, but I digress. > This past winter was the best ones I've had for rusties at McKee-Beshers >W.M.A. in Montgomery CO. I had counts of 225-250 on Jan.9, 237 on Jan. 15, >80-90 on Jan. 22 and 96 on Jan. 22. I had smaller numbers on 1-29 (10), >12-28 (5) and 12-27 (1). > >Paul Woodward >Fairfax City, VA >grackling@worldnet.att.net ======================================================================= To leave the MDOsprey list, send e-mail to listserv@home.ease.lsoft.com with the following message in line 1: signoff mdosprey ======================================================================= =========================================================================