[Tweeters] Counting birds by the full moon

[dan&erika]

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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman11.u.washington.edu/pipermail/tweeters/attachments/20231201/570edcfd/attachment.html>