Jessie Barry and I met a friend who flew into Toronto yesterday (originally
scheduled to fly into Rochester, NY). Unfortunately for our friend, he ended
his 27 hour airline adventure spending three hours sitting on the tarmac in
Toronto while they waited for gates to clear. Fortunately for us, we checked
a few parks in the area.

The biggest highlight and surprise was at the Lakefront Promenade where we
found a Hooded Merganser x Bucephala sp. We believe that this bird is likely
a hybrid with Bufflehead, a combo neither of us has seen before. Link to
some photos is below. Perhaps this is a well known bird, but I don't recall
seeing mention of it on this list (though I admit to checking it
irregularly).

The Hooded Merganser traits are fairly straightforward so I won't go into
them here, but will focus on those characters that seemed to fit Bufflehead
better than either goldeneye. The overall size and shape seem more
consistent with Bufflehead than either goldeneye (particularly the
relatively small and rounded head). Neither of these features comes across
particularly well in the photos, but I believe you can get some indication
of the smaller and slightly more rounded head. There was also relatively
large white horizontal patch above the flanks without any white patches
higher on the back/scapulars that are shown by hybrid Hooded Merganser x
either goldeneye. The white breast and extensive white in the wing suggested
an adult male. Given this, the amber eye also seem to suggest Bufflehead
(goldeneye x Hooded Mergansers males have bright yellow eyes).

I uploaded several photos of the bird here:

http://www.flickr.com/photos/pinicola/

Directions: The Lakefront Promenade is located in Mississauga. Exit the QEW
at Dixie and take that southeast to Lakeshore Rd. Take Lakeshore southwest
along the lake. The entrance will be on your left in about a km. The bird
was to the right of the main road in the harbor before the sailing club.

Cheers and Happy New Year,

Chris Wood

eBird Project Leader
Cornell Lab of Ornithology, Ithaca, New York
http://ebird.org
http://neotropical.birds.cornell.edu
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