The mean date for Red-wings here based on a 34 year norm is fairly constant with little deviation is 2/25, for Grackle 2/28 and Cowbird 2/10.
Adult males usually travel first followed closely by SY birds for Red-wings. Females later. The latest RWBL arr date we have recorded is 3/13. Most arrivals over the year have indeed been in Feb. John --- John and Sue Gregoire Field Ornithologists Kestrel Haven Migration Observatory 5373 Fitzgerald Rd Burdett, NY 14818 42.443508000, -76.758202000 "Create and Conserve Habitat" On 2020-02-20 17:23, AB Clark wrote: > As someone studying redwing nesting and nestlings in the 89-2000 region, I > can say they were incredibly variable 3 decades ago. They could easily show > up in February when the winter was warm. We had actual females back in a > marsh near Binghamton/Endicott as early as February. Usually females did not > show up until late march. I don't mean nest, just be seen in flocks and > maybe visit the marsh. > > In the years 95 and 97-98, which were incredibly warm winters, we had > redwings at feeders being reported all winter--some people were emailing me! > In 98, a very warm spring, I had two first year females that were banded on > Cornell ponds (by me) back on the ponds in spring...possible explanation was > that they never went anywhere all winter and thus failed to disperse. > > Redwinged blackbird males were also staying all winter or reappearing during > the winter in SW Michigan in the 80's, in warm ups, like robins. Not many > but some. These are birds whose migratory pattern set them up well to > respond strongly to climatic shifts. > > No doubt that the mean dates have shifted, but I can look up first arrivals > and first egg dates across the 90's decade at some point, for comparsion--at > some point! > > Anne B Clark > 147 Hile School Rd > Freeville, NY 13068 > 607-222-0905 > anneb.cl...@gmail.com > >> On Feb 18, 2020, at 11:17 PM, Nigel <caven...@gmail.com> wrote: >> >> The RWB are about 1 month early - they used to show up mid to late March. >> We had at least 6 Monday afternoon. They looked more like yellow wing >> blackbirds - the wing stripe was a very dull muddy yellow. There were also >> some Starlings mixed in. >> The hills are alive with the sounds of ... RWB. >> >> Nigel, near the Lindsay-Parsons Biodiversity Preserve, West Danby, NY >> >>> There are currently three male Red-winged Blackbirds on the ground under >>> our feeders on Muriel Street in Ithaca NY. Nice to see. Welcome back guys. >>> Linda Orkin >> >> -- >> Cayugabirds-L List Info: >> Welcome and Basics  >> Rules and Information  >> Subscribe, Configuration and Leave  >> Archives: >> The Mail Archive  >> Surfbirds  >> BirdingOnThe.Net  >> Please submit your observations to eBird ! >> -- > > -- > Cayugabirds-L List Info: > Welcome and Basics  > Rules and Information  > Subscribe, Configuration and Leave  > Archives: > The Mail Archive  > Surfbirds  > BirdingOnThe.Net  > Please submit your observations to eBird ! > -- Links: ------  http://www.northeastbirding.com/CayugabirdsWELCOME  http://www.northeastbirding.com/CayugabirdsRULES  http://www.northeastbirding.com/CayugabirdsSubscribeConfigurationLeave.htm  http://email@example.com/maillist.html  http://www.surfbirds.com/birdingmail/Group/Cayugabirds  http://birdingonthe.net/mailinglists/CAYU.html  http://ebird.org/content/ebird/ -- Cayugabirds-L List Info: http://www.NortheastBirding.com/CayugabirdsWELCOME http://www.NortheastBirding.com/CayugabirdsRULES http://www.NortheastBirding.com/CayugabirdsSubscribeConfigurationLeave.htm ARCHIVES: 1) http://firstname.lastname@example.org/maillist.html 2) http://www.surfbirds.com/birdingmail/Group/Cayugabirds 3) http://birdingonthe.net/mailinglists/CAYU.html Please submit your observations to eBird: http://ebird.org/content/ebird/ --