On Tue, Mar 25, 2025 at 8:48 AM Tobin Brown via groups.io <tobinjbrown=
<gmail.com...> wrote:
> I'm a fan of that wild speculation! After nearly 9 hours looking through
> cranes this year even when I KNEW a Common was likely around, we had
> nothing. That (on top of the needle-in-a-haystack-style stories I've heard)
> leads me to wildly speculate that the detection rate could be something
> like 20% or lower, meaning there could be 15+ birds. Fun to think about.
>
> I have no science to back this up, but I wonder if climate change could be
> bringing their breeding ranges even closer together, causing some mixing
> post-breeding. Just for fun I looked at the Sandhill Crane reports in
> Eurasia in the past 10 years
> <https://ebird.org/map/sancra?neg=true&env.minX=&env.minY=&env.maxX=&env.maxY=&zh=false&gp=true&ev=Z&excludeExX=false&excludeExAll=false&mr=1-12&bmo=1&emo=12&yr=last10> > and there are quite a few, even though ebird isn't really the main platform
> over there. Reports in Japan, China, Singapore, Taiwan, and in European
> countries like Sweden, Germany, and even Hungary.
>
> Tobin Brown
> Lancaster County
> 402-213-4014
> https://ebird.org/profile/NDA1ODIzNg/US-NE >
> On Mon, Mar 24, 2025, 5:51 PM Jorgensen, Joel via groups.io
> <Joel.Jorgensen...> wrote:
>
>> Based on the frequency of known occurrence over the years and the low
>> probability of detection and distance between sightings, I would put my
>> money on the likelihood that there have been at least 3 different Common
>> Cranes in Nebraska so far this spring. The fact that 3 different Common
>> Cranes have been detected this spring (assuming my assumptions are correct,
>> which is what it is), makes me wonder how many Common Cranes are migrating
>> through Nebraska this spring? 5, 8, 12? The great thing about wild
>> speculation is I can't be proven wrong. Congrats on the relocation
>> originally found by Matt Wieseler.
>>
>>
>> Joel
>>
>>
>>
>> ================================================
>>
>> Joel Jorgensen
>>
>> Nongame Bird Program Manager
>>
>> Nebraska Game and Parks Commission
>>
>> 2200 N. 33
>> <https://www.google.com/maps/search/2200+N.+33?entry=gmail&source=g>rd 68503
>> | 402-471-5440
>>
>> <joel.jorgensen...>
>>
>>
>> ------------------------------
>> *From:* <NEBirds...> <NEBirds...> on behalf of Tobin Brown
>> via groups.io <tobinjbrown...>
>> *Sent:* Monday, March 24, 2025 5:42 PM
>> *To:* <NEBirds...> <NEBirds...>
>> *Subject:* Re: [NEBirds] Common Crane - Merrick County
>>
>>
>> Common Crane relocated at Clear Creek WMA in Keith county! Found this
>> morning by May y from game and parks. Not sure what's more likely: a 2nd
>> bird, or the same bird traveling 200 miles west, probably the latter.
>>
>> Tobin Brown
>>
>> On Sun, Mar 23, 2025, 4:48 PM Tobin Brown via groups.io <tobinjbrown=
>> <gmail.com...> wrote:
>>
>> Another crane, or perhaps the same one, was relocated this afternoon 40
>> miles west, near Gibbon in Buffalo County.
>>
>> https://ebird.org/checklist/S220357025 >>
>> Tobin Brown
>>
>>
>
>
