Date: 11/21/20 11:15 am
From: Gary Ackert <garyackert2...>
Subject: [cobirds] Re: An explanation how European Golden-Plover made it to Maxwell NWR, NM
Is ti still there?


On Saturday, November 21, 2020 at 10:06:50 AM UTC-7 <rori......>
wrote:

>
>
> As reported by television station KRQE, Albuquerque, New Mexico, on
> October 1st, 2020, a European Golden-Plover was discovered at Maxwell
> National Wildlife Refuge, twenty five miles south of the Colorado border.
>
> The core of the European Golden-Plover breeding range extends from Iceland
> across northern Europe to central Russia, and its winter range is from
> Great Britain, western Europe and north Africa to Asia. Significant numbers
> of Golden-Plovers that breed in Iceland, which would be the closest
> breeding range to North America, originated from their wintering grounds in
> Great Britain, western Europe, and western North Africa.
>
> It is known that some spring migrants heading to Iceland become
> disoriented and instead of landing in Iceland, and with the help from the
> prevailing north-east winds, will continue until they find the first land.
> Many times this would be North America, mainly Newfoundland, Canada, where
> most of the European Golden-Plovers have been recorded. Where they go after
> that is not known; however it is strongly suspected the Golden-Plovers
> that make first land in the Canadian polar latitudes would then be aided in
> traveling further west by an east-to-west prevailing winds. It is also
> thought that since there are very few European Golden Plover records in
> Alaska, that those Alaskan records could actually have been birds
> originating as Iceland-Greenland over shoots and not from individuals
> drifting over from Asia. It is unlikely therefore that the Maxwell NWR
> European Golden-Plover originated from Asia.
>
> Now let us assume, by whatever route, a European Golden-Plover made its
> way to the central interior of Canada during summer. Food is abundant and
> there are other shorebirds around sharing information. Since most of its
> needs are met, there would be little advantage continuing to fly further
> west particularly over those forbidding Rocky Mountains. Summer is now
> winding down, food is becoming scarce, frost is entering the ground and the
> Golden-Plover’s internal biology is suggesting that it is time to move
> south. Following the eastern edge of the Rocky Mountains offers a
> reasonable path south. After many stops for food and rest the plover flies
> over the Colorado-New Mexico border, starts descending and shortly has
> landed at Maxwell National Wildlife Refuge, where many cameras are now
> authenticating its presence. This incredible sighting represents the first
> interior record for North America, the first record for New Mexico, and the
> almost first record for Colorado.
>
> Sources:
> Howell, N. G. Ian Lewington, Will Russell. 2014. *Rare Birds of North
> America. *Princeton University Press. 41 William Street, Princeton, New
> Jersey.
>
> Newton. 2008. *The Migration Ecology of Birds*. Academic Press: London
>
> Bob Righter
> Denver CO
>
>

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