Thanks, Bryan. So great to have context for what we see in the field. Chuck
> On Mar 20, 2021, at 5:12 PM, Bryan Guarente <[email protected]> wrote: > > Glad to hear there are Say's Phoebes on the move. These are right on time > and it jives well with the weather pattern. > > Range map for Say's Phoebe in Jan-Feb: > https://ebird.org/map/saypho?neg=true&env.minX=113.27196160017343&env.minY=-23.42144599315466&env.maxX=23.271961600173423&env.maxY=79.10123789325878&zh=true&gp=false&ev=Z&mr=on&bmo=1&emo=2&yr=all&byr=1900&eyr=2021 > > <https://ebird.org/map/saypho?neg=true&env.minX=113.27196160017343&env.minY=-23.42144599315466&env.maxX=23.271961600173423&env.maxY=79.10123789325878&zh=true&gp=false&ev=Z&mr=on&bmo=1&emo=2&yr=all&byr=1900&eyr=2021> > > Note the maxima of observations as well as the general pattern of where these > birds would originate to make it to Colorado, then look at the following wind > map: > https://earth.nullschool.net/#2021/03/20/2300Z/wind/isobaric/850hPa/orthographic=-99.58,38.86,1638/loc=-105.000,40.000 > > <https://earth.nullschool.net/#2021/03/20/2300Z/wind/isobaric/850hPa/orthographic=-99.58,38.86,1638/loc=-105.000,40.000> > > The green circle on the wind map is Boulder, CO. Makes good sense why there > would be Say's Phoebes coming to town these past two days. > Here is the map for the 19th that makes the most sense for this movement. > https://earth.nullschool.net/#2021/03/19/1200Z/wind/isobaric/850hPa/orthographic=-99.58,38.86,1638/loc=-105.000,40.000 > > <https://earth.nullschool.net/#2021/03/19/1200Z/wind/isobaric/850hPa/orthographic=-99.58,38.86,1638/loc=-105.000,40.000> > > Interestingly, maybe the birds from the 19th came from Texas, but the birds > from the 20th are more likely from a different location in the SW US. > > There were also a few different odds and ends showing up today that are > noteworthy weather-wise: Sagebrush Sparrow makes some interesting sense with > the Southwest origin, Common Grackles are advancing farther north, > Double-crested Cormorants are showing up in Boulder county, American White > Pelicans are found in droves, Sandhill Cranes are passing through, and Osprey > are making their first of the season appearances. > > Thanks for the postings, it made me look harder at the situation. > Bryan > > Bryan Guarente > Meteorologist/Instructional Designer > UCAR/The COMET Program > Boulder, CO > > > On Sat, Mar 20, 2021 at 5:03 PM Jared Del Rosso <[email protected] > <mailto:[email protected]>> wrote: > Yesterday afternoon (3/19), I opened my door to one singing in the top of a > neighbors' cottonwood (Centennial, Arapahoe County). My first of the season, > as well. > > - Jared Del Rosso > Centennial, CO > On Saturday, March 20, 2021 at 3:55:57 PM UTC-6 [email protected] > <mailto:[email protected]> wrote: > Two Say's Phoebe's arrived singing at St. Mary Church along S. Prince in > Littleton today, too, Arapahoe Co > > David Suddjian > Ken Caryl Valley > Littleton, CO > > On Sat, Mar 20, 2021 at 3:27 PM Gary Brower <[email protected] <>> wrote: > In walking through Cherry Creek State Park this morning, I saw my first Say’s > Phoebe of the season as well! (And a Western Meadowlark!) > > Gary Brower > Unincorporated Arapahoe County > >> On Mar 20, 2021, at 3:24 PM, Charles Hundertmark <[email protected] <>> >> wrote: >> >> When I opened my garage door to head out birding this morning, I heard a >> Say’s Phoebe singing down the street. The bird was at a house where it has >> held territory for many years now. A short time later, along Boulder Creel >> near 75th Street, another Say’s was singing on a territory also held for >> many years. Fascinating synchronicity of arrival. >> >> Chuck Hundertmark >> Lafayette, CO >> >> -- >> -- >> You received this message because you are subscribed to the Google >> Groups "Colorado Birds" group. >> To post to this group, send email to [email protected] <> >> For more options, visit this group at >> http://groups.google.com/group/cobirds?hl=en?hl=en >> <http://groups.google.com/group/cobirds?hl=en?hl=en> >> * All posts should be signed with the poster's full name and city. 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