[NatureNS] Questions, Breeding Bird Atlas

From: "James Hirtle" <jrhbirder@hotmail.com>
To: naturens@chebucto.ns.ca
Date: Fri, 10 Aug 2007 02:05:24 +0000
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Today while doing a shorebird survey at Back Oler Farm Marsh I came across 
two merlins, with a youngster.  They were very vocal and captured I suppose 
a shorebird for the young one.  Needlessly to say the shorebird survey was 
not all that good with these birds having passed over the area just prior to 
my conducting it.  Anyhow, I did moderately well.  My question is whether 
anyone knows if the youngster travels with the adults to a location where 
lots of food would be available?  In short could these birds have come from 
a long distance?  The pair might have come from Lunenburg or possibly there 
was a pair in Lunenburg and another at Garden Lots.  Anyhow, both would fall 
within the square.  What are the chances that they might have come from 
outside of the square?  I did not have confirmation for this species at this 
point and can I still assume that the pair feeding the youngster bred in the 
area of the marsh.  I know a lot of other birds are still feeding young with 
late nests, probably second or third nests.  Today for instance I saw two 
newly hatched mallards, robins carrying food and I had a youngster of 
unknown species.  This bird was very vocal and had not tail yet.  It was 
warbler size with an all white chest and face, a little black fuzzy cap and 
the back was brown with some green down near where the wings were.  The 
wings were still fuzzy, and when the bird saw me it flittered the wings and 
opened its mouth hollering for food, probably thinking I don't know what.   
I watched this bird for a long time from a distance as it continued to 
vocalize for food, but the adult bird did not come to feed it.  My first 
impression was a young red-eyed vireo, but the youngster was not large 
enough.  It also did not have a distinct eye line.  It could not fly at this 
point and I think that it was a young chestnut-sided warbler.  The fuzzy 
black cap is the only thing that would rule this out.  The small greenish 
patch on the back in my mind would rule out the red-eyed vireo though.  Any 
thoughts on this.

James  R. Hirtle
Dublin Shore

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