There are at least two Mew Gulls on the Niagara River. One is the
North American subspecies Canus canus brachyrhynchus and a second
bird is a Common Gull, which is the name given to two very similar
European subspecies in the group C.c. canus/heinei. Yesterday, Kevin
McLaughlin, Dean DiTommaso and I tentatively identified a Common Gull
where we had previously seen a Mew Gull. This seemed almost
impossible. Dean and I photographed it and the three of us noted its
field marks. The Ontario Bird Records Committee will be sent written
documentation and photos. I've posted several photos on my website.
http://www.jeaniron.ca/2010/CommonGull.htm
Caveat: All field marks strongly indicate a Common Gull, however, I
am seeking confirmation from gull experts who are thoroughly familiar
with Common Gulls.
Directions: The Common Gull was seen on the river, flying and
perched, between the overlook at Adam Beck and the Butterfly
Conservatory. To view the roosting rocks along the river, which are
on the American side, park at the north end of the Butterfly
Conservatory parking lot and walk north towards Adam Beck about 200
metres to two light coloured horizontal wooden bars in the brown fence.
Jean Iron
Toronto ON
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