[NatureNS] Fwd: Large reverse migration of Yellow-rumped

Date: Fri, 26 Apr 2013 9:33:47 -0300
From: <duartess@ns.sympatico.ca>
To: naturens@chebucto.ns.ca
Cc: James Churchill <jameslchurchill@gmail.com>
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Why would this occur if this would mean their demise? Aren't migration patterns hard-wired into their brains? Not sure if I am asking this correctly. 

Thank you,

Gayle MacLean
Dartmouth

---- James Churchill <jameslchurchill@gmail.com> wrote: 
> interesting migration observations from naturenb (below).
> cheers,
> James.
> 
> ---------- Forwarded message ----------
> From: Stuart Tingley <stubirdnb@gmail.com>
> Date: Thu, Apr 25, 2013 at 10:08 PM
> Subject: Large reverse migration of Yellow-rumped Warblers off Cape Enrage
> - April 25, 2013
> To: NATURENB@listserv.unb.ca
> 
> 
> I decided to head down to Albert County in mid-morning after receiving a
> text from Richard Blacquiere at Point Lepreau Bird Observatory with news of
> a substantial loon flight there.
> 
> I arrived at Cape Enrage at 10:30am with reasonable visibility in light fog
> and drizzle and strong SW winds. Within a few minutes of arriving I saw a
> passing flock that included 630 Surf/Black Scoters and 210 Long-tailed
> Ducks. I also noted a few Red-throated Loons flying NE low over the water
> and a CASPIAN TERN flew by low over the water heading northeast. But what
> caught my attention most was the almost constant stream of small groups of
> YELLOW-RUMPED WARBLERS coming from the northeast and heading out to the
> southwest into the fog and drizzle.
> 
> Shortly after I arrived the fog and drizzle got heavier and with little
> visibility over the water I focussed my attention on the warbler flight and
> tried to keep track of numbers until I left the cape with zero visibility
> at 12 noon. In 90 minutes I counted 475 Yellow-rumps and only about 10 PALM
> WARBLERS, all heading SW into what seemed like a suicidal flight as the
> drizzle became drenching and thick fog reducing visibility to essentially
> zero. I have little doubt that this flight began at first light and
> probably involved one or two thousand birds. Even when I left at noon I
> could still hear Yellow-rumps passing overhead and going southwest into the
> thick fog.
> 
> Surprisingly I didn't see any birds turn around or come back in from the
> southwest - they seemed determined to go SW! In fact the only bird I saw
> come in off the water from the southwest was larger and had me perplexed
> until I got a good view of it - an adult male Baltimore Oriole.
> 
> Elsewhere in Albert County, the adult LITTLE BLUE HERON was easily seen
> close to Route 915 at the east end of Waterside marsh at high tide in early
> afternoon. Almost the entire salt marsh was flooded at that time.
> 
> Good Birding,
> 
> Stu Tingley
> 
> NatureNB guidelines  http://www3.nbnet.nb.ca/maryspt/nnbe.html
> Foire aux questions de NatureNB  http://www3.nbnet.nb.ca/maryspt/nnbf.html
> 
> 
> 
> -- 
> James Churchill
> Kentville, Nova Scotia
> Email: jameslchurchill@gmail.com
> Phone (h): (902) 681-2374

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