The moon-migration research was described in detail in Rebecca Heisman's
book, Flight Paths <https://rebeccaheisman.com/flight-paths/>, and in her
recent presentation to the Washington Ornith Society. Her talk is online.
The moon topic starts around minute 8.

https://www.youtube.com/watch?v=K92bd6JGgPY

On Fri, Dec 1, 2023 at 7:37 AM dan&erika <danerika at gmail.com> wrote:


> https://www.jstor.org/stable/4083149

>

> On Fri, Dec 1, 2023 at 7:14 AM Nelson Briefer <nreiferb at gmail.com> wrote:

>

>> Years ago in a publication by Smithsonian, was an article by a scientist,

>> I believe his name was, last name Evans. The method used was the method

>> used by hawk watchers. Using shape and proportions, and wing beats, the

>> identification of some birds can be afforded as they pass in front of the

>> moon. This method can also be used when the sun is well below the horizon

>> and the sky is dark and a raptor passes overhead at close range. In other

>> words, color and pattern, are just the skin of the bird, not the meat of

>> the bird. Nelson Briefer, Anacortes.

>> _______________________________________________

>> Tweeters mailing list

>> Tweeters at u.washington.edu

>> http://mailman11.u.washington.edu/mailman/listinfo/tweeters

>>

>

>

> --

> Dan or Erika Tallman

> Olympia, Washington

> danerika at gmail.com

>

> ".... the best shod travel with wet feet...Beware of all enterprises that

> require new clothes ...."-;H. D. Thoreau

> _______________________________________________

> Tweeters mailing list

> Tweeters at u.washington.edu

> http://mailman11.u.washington.edu/mailman/listinfo/tweeters

>



--
​Steve Hampton​
Port Townsend, WA (qatáy)