Difference between revisions of "Southwestern Willow Flycatcher- EP"
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+ | ! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">''CRE AT-RISK SPECIES VIGNETTES – Larry Stevens''</h2> | ||
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*The southwestern willow flycatcher (SWWF; Empidonax trailii extimus Phillips 1948) was listed as endangered in 1993. | *The southwestern willow flycatcher (SWWF; Empidonax trailii extimus Phillips 1948) was listed as endangered in 1993. | ||
*It is a small, greenish flycatcher with white wing bars, and has an upright roosting posture. | *It is a small, greenish flycatcher with white wing bars, and has an upright roosting posture. | ||
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*Reasons for the decline of SWWF include degradation of winter habitat in Central America and breeding habitat in the Southwest, as well as brood parasitism by brown-headed and bronzed cowbirds (Molothrus ater and M. aeneus, respectively). | *Reasons for the decline of SWWF include degradation of winter habitat in Central America and breeding habitat in the Southwest, as well as brood parasitism by brown-headed and bronzed cowbirds (Molothrus ater and M. aeneus, respectively). | ||
*Cowbirds pitch SWWF eggs from the nest, replacing them with their own eggs, and the SWWF may raise the cowbirds as their own young. The recent invasion of tamarisk leaf beetle in northern Arizona severely threatens remaining SWWF with further loss of habitat. | *Cowbirds pitch SWWF eggs from the nest, replacing them with their own eggs, and the SWWF may raise the cowbirds as their own young. The recent invasion of tamarisk leaf beetle in northern Arizona severely threatens remaining SWWF with further loss of habitat. | ||
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+ | ! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Links</h2> | ||
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+ | *'''[http://gcdamp.com/index.php?title=Southwestern_Willow_Flycatcher-ES Southwestern Willow Flycatcher]''' | ||
+ | *[[Media:Southwestern Willow Flycatcher- LStevens.m4a|SWFL Audio]] | ||
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+ | ! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Projects</h2> | ||
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+ | The GCDAMP funds Southwestern willow flycatcher and Yuma Ridgway’s rail surveys through the TWP | ||
+ | *Conduct Yuma Ridgway’s rail surveys once every three years | ||
+ | *Conduct southwestern willow flycatcher surveys once every two years | ||
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+ | ! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Presentations and Papers</h2> | ||
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+ | *[https://www.usbr.gov/uc/progact/amp/twg/2023-06-15-twg-meeting/20230615-BurntSprings260mile-508-UCRO.pdf Burnt Springs (260 mile)] | ||
*[https://www.usbr.gov/uc/progact/amp/twg/2022-01-13-twg-meeting/20220113-Bi-AnnualSurveysSouthwesternWillowFlycatcherAlongColoradoRiverGrandCanyonNationalPark-2021AnnualReport-508-UCRO.pdf Bi-Annual Surveys for Southwestern Willow Flycatcher (Empidonax traillii extimus) Along the Colorado River in Grand Canyon National Park - 2021 Annual Report ] | *[https://www.usbr.gov/uc/progact/amp/twg/2022-01-13-twg-meeting/20220113-Bi-AnnualSurveysSouthwesternWillowFlycatcherAlongColoradoRiverGrandCanyonNationalPark-2021AnnualReport-508-UCRO.pdf Bi-Annual Surveys for Southwestern Willow Flycatcher (Empidonax traillii extimus) Along the Colorado River in Grand Canyon National Park - 2021 Annual Report ] | ||
*[https://www.usbr.gov/uc/progact/amp/twg/2020-06-24-twg-meeting/20200624-LTEMPBOAvianSurveysUpdate-508-UCRO.pdf Southwestern willow flycatcher, Ridgway rail, and yellow-billed cuckoo surveys] | *[https://www.usbr.gov/uc/progact/amp/twg/2020-06-24-twg-meeting/20200624-LTEMPBOAvianSurveysUpdate-508-UCRO.pdf Southwestern willow flycatcher, Ridgway rail, and yellow-billed cuckoo surveys] | ||
+ | *[https://pubs.usgs.gov/of/2016/1120/ofr20161120.pdf A Satellite Model of Southwestern Willow Flycatcher (Empidonax traillii extimus) Breeding Habitat and a Simulation of Potential Effects of Tamarisk Leaf Beetles (Diorhabda spp.), Southwestern United States] | ||
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+ | ! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Other Stuff</h2> | ||
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Latest revision as of 18:24, 30 October 2023
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