Date: 9/1/17 1:37 pm
From: John Leonard <leonard...> [ILbirds] <ILbirds-noreply...>
Subject: IBET Jaeger at Gillson Point 9/1 afternoon
I followed a juvenile Jaeger from far off of Gillson point to close to shore at 12:30 this afternoon, 9/1. Eventually had good scope views. Although juvenile jaegers are known to be notoriously difficult to ID it was likely a PARASITIC JAEGER based on lack of double white wing flash and slender bill and not extremely deep bodied.

Acrobatic fast and continuously flying dark gull-like bird. Prominent single white flashes in underwings from light base of primaries. Dark tail terminus with light upper tail coverts. Bill relatively slender. Observed through scope at 12:30 for ~10 min as it came closer to shore on east winds, then lost to south behind trees of open public beach.

Cheers, John P. Leonard 1617 Executive Lane Glenview, IL 60026

Posted by: John Leonard <jleonard5440...>


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