[Tweeters] Black Swifts hunt at up to 4000 meters high under a full moon and: “Black swifts descended rapidly during lunar eclipse -- ScienceDaily”
baro at pdx.edu
Mon Mar 21 11:34:30 PDT 2022
Here is the full article. Bob
On Mon, Mar 21, 2022 at 11:31 AM Robert O'Brien <baro at pdx.edu> wrote:
> Larry is right. I didn't read it carefully enough. This is indeed 'our'
> American Black Swift. Amazing. Bob OBrien
> On Mon, Mar 21, 2022 at 11:20 AM Larry Schwitters <leschwitters at me.com>
>> They got this kind of data on the European Common Swift a few years back.
>> But this now shows the American Black Swift does the same amazing things.
>> Larry Schwitters
>> On Mar 21, 2022, at 10:00 AM, Robert O'Brien <baro at pdx.edu> wrote:
>> This of course is the Eurasian Swift, Apus apus not the North American
>> Black Swift that we have here on the West Coast. But who knows? It had
>> already been established that Apus apus can stay aloft for long periods of
>> time . But the time reported in this study is astounding. Bob OBrien
>> On Sunday, March 20, 2022, Dan Reiff <dan.owl.reiff at gmail.com> wrote:
>>> Very interesting!:
>>> Dan Reiff
>>> Sent from my iPhone
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