Herring Gull (adult with limited black in the primaries) - Hammond Marina, Lake County, Indiana - January, 2012

This unusual Herring Gull was at first mistaken for an adult Thayer's Gull. However, once the photos were examined, the bird was identified as a Herring Gull with reduced black in the primaries. Such birds are sometimes called "Northeast Herring Gulls." Besides subtle differences in primary pattern from a Thayer's Gull, this bird also has a heavy bill and yellow iris.

These photos were taken with a Canon Rebel XSi Digital Camera with a 100-400mm zoom lens.

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Herring Gull (Adult with limited black in the primaries)

Herring Gull (Adult with limited black in the primaries)