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


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Posted by: John Leonard <jleonard5440...>
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