All, Cool description!
Varied Thrush doesn't appear to be on the oldbird CD. Can someone post a night flight call clip? Sincerely, Andrew On Fri, Oct 7, 2011 at 11:26 AM, Jay Withgott <[email protected]> wrote: > > Gerard -- > Since Jim is undoubtedly enjoying a flood of migrants this morning after > what has apparently been the heaviest migration night of the season, while > I'm socked in with rain 25 miles south of him, I'll go ahead and respond.... > Varied Thrushes give a flight call very much like the lovely iconic song > that reverberates through the PNW rainforests -- that ethereal combination > of a whistle and a vibratory hum. However, the call in flight is generally > a shorter and throatier version of that vocalization, more of a guttural > "whzurrrr" than a long thin "whhzzzzeeeeeee". This call is also heard on > the ground. I've heard this call from birds in flight at night, at dawn, > and after daylight. They seem to me to call more at dawn and after dawn > than at night, but then that may simply be a function of when I'm most often > listening. Jim's more nocturnally active than I am, so I certainly trust > his judgment on this. Like Robins, Varied Thrushes continue their nocturnal > migration for sometimes up to a few hours in the morning, so it is feasible > to see them as they migrate over, occasionally calling. > I've never heard their Hermit-Thrush-like "chuck" or "tuk" call note used in > flight. > Jim, any comments on the above? I'm hoping that you've gotten a flood of > birds over your yard last night and this morning and that the rain clears up > a bit down my way so that I can partake, too. > Jay Withgott > Portland, Oregon > > > At 8:43 AM -0400 10/7/11, SLIMBIRD Gerard wrote: > > Jim, > > >From an Eastern perspective, I'm curious (ok really interested!) to know > the call Varied Thrush use at night, and/or how you're identifying them? > > I also add a hearty thanks to everyone sharing their experience of flight > calls to the list, especially if/when supported with clips etc. It's always > enlightening! > > Thanks, > > Gerard > > Eastern Ontario > > > On 10/6/11 9:00 PM, "Jim Danzenbaker" <[email protected]> wrote: > > Nocturnal flight enthusiasts, > > I live in Battle Ground, Washington which is 20 miles due north of Portland, > Oregon. I've been listening for about 6 years - mostly Swainson's Thrushes > which can number in the thousands on some nights in September. I was > listening from 5:45-7 this morning and had a good variety although not many > individuals: > > Varied Thrush 21* > Hermit Thrush 1 > Swainson's Thrush 3 > Zonotrichia 1 > Song Sparrow 1 > Yellow-rumped Warbler 1 > misc chips 8 > > * this is only the third time I've heard nocturnal migrant Varied Thrushes > and only single birds on the other two occasions. > > Conditions were overcast with calm winds which was a big change from the > south winds and rainy conditions of the last several nights. > > Jim > > -- > > NFC-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! > > -- > > -- > NFC-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! > -- -- NFC-L List Info: http://www.NortheastBirding.com/NFC_WELCOME http://www.NortheastBirding.com/NFC_RULES http://www.NortheastBirding.com/NFC-L_SubscribeConfigurationLeave.htm ARCHIVES: 1) http://www.mail-archive.com/[email protected]/maillist.html 2) http://www.surfbirds.com/birdingmail/Group/NFC-L 3) http://birdingonthe.net/mailinglists/NFCL.html Please submit your observations to eBird: http://ebird.org/content/ebird/ --
