Ring-necked Duck x Scaup hybrid

Another New Haven Harbor hybrid Aythya, amongst a wintering mixed scaup flock. I have seen this bird three times, initially on January 19th. Trying to figure out the scaup species involved is a bit of a headache. In the field I certainly found the bird to give more of a Greater Scaup-like vibe, based on body, head, and bill shape & size, for what it's worth. However it has been hypothesized that the mediocre open-wing photo is pro-Lesser, as the obvious white is restricted to the secondaries, but I'm not convinced that is anything more than suggestive. All criteria seem shaky.

Click for larger images:


Hybrid's head shot pasted between GRSC and LESC for comparison (identical lighting conditions). Not to scale (hybrid's head is magnified). Vibrance kicked up a few notches to accentuate head color.















Older pics, with Greaters, from back in January:









 - Nick

Comments

Post a Comment

Popular posts from this blog

Warblers in Flight: A Photographic Collection

While active migration has always been my favorite bird behavior to observe, my interest in the phenomenon called “morning flight” of nocturnal migrants had been minimal due to the unfortunate reality that I lived well over an hour’s drive from the nearest known reliable observation site, Bluff Point State Park in Groton, CT. In autumn 2020, thanks to improved public access to Hammonasset Beach State Park in Madison, CT, I began to explore the northern tip of Willard’s Island as a morning flight viewpoint and was pleased to find that under the right conditions a reliable flight could be observed there. The volume of birds passing through is not large (a small fraction of what passes through Bluff Point), but the flight line is consistent and can be observed under good lighting conditions. Between autumns 2020-22 I visited the site 20 times in total and recorded 27 warbler species in morning flight. All but a few of these have been photographed, often poorly! I immediately found mysel
Read more

Last winter's gull review

Today's cooler, blustery conditions combined with the appearance of an Ivory Gull in Cape May got me thinking more about the upcoming gull season and reflecting on last year's. The 2008-09 gulling in the northeast was pretty damn good and included a few really exciting birds. The season started out with a bang exactly one year ago today with CT's first Slaty-backed Gull . On 12/12 an adult Thayer's Gull put in a brief appearance at the Windsor-Bloomfield Landfill, CT's premier gull hotspot, followed by a first-winter bird on 12/23. A Black-headed Gull spent the winter in New Haven Harbor. Perhaps 'gull of the year' was a subadult Glaucous-winged Gull in Rochester, NH, found by Scott Young...a first record for New England. Meanwhile Gloucester, MA was once again the gull capital of New England. I happened to already be up in Boston when news of an adult Ivory Gull broke on 1/17. I still get chills thinking about that weekend. Of course there were plenty
Read more

Iceland in April

Image
April is an exciting time for the nature enthusiast to visit Iceland. While the weather can still be quite cold and snowy, winter's grip is loosening and signs of spring abound. Several minutes of daylight are gained each day, but there is still enough nighttime darkness to observe the aurora borealis through at least mid-month. It turns out that early spring is also an excellent time for whale watching, particularly if you are keen to find Orcas. Spring migrants are beginning to arrive, including flocks of European Golden Plovers and the first Atlantic Puffins of the year. Given all that, it made sense to consider a long weekend visit to Iceland in mid-April, especially since it is a direct 5-6 hour flight from the northeast USA. Known appropriately as an expensive destination to visit, costs can be considerably reduced by hiring a campervan. Being a super popular mode of transport + lodging in Iceland, there are plenty of companies to choose from. During this shoulder season, I r
Read more