Date: Sat, 8 Dec 2001 07:48:06 EST Reply-To: Maryland Birds & Birding Sender: Maryland Birds & Birding From: Rick Sussman Subject: Re: Muscle Mass in Birds MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 12/7/2001 12:28:26 PM Eastern Standard Time, denise_ryan@LCV.ORG writes: > Birds fly more efficiently when loaded with food, new research suggests, > helping to explain how they can migrate thousands of kilometres without > stopping. > Ah, this is not so with all birds, however. Researchers have determined that Broad-winged Hawks (and also Swainson's, I think) make their huge flights through Mexico without benefit of food. They have found no evidence of them feeding for days at a time during their flights to the south. Rick Sussman Ashton,MD warblerick@aol.com ======================================================================= To leave the MDOsprey list, send e-mail to listserv@home.ease.lsoft.com with the following message in line 1: signoff mdosprey ======================================================================= =========================================================================