Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"Empidonax traillii extimus"”.
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Fantastic Birds and Where to Find Them
… of the western subspecies of Willow Flycatchers (Empidonax traillii subspp.), including the federally endangered Southwestern Willow Flycatcher (Empidonax traillii extimus), with a range-wide species distribution model. The three western subspecies of Willow Flycatchers migrate between the …
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Aspects of ecosystem health in the Colorado River Delta, Mexico
… River. The southwestern willow flycatcher (Empidonax traillii extimus ) is an endangered neotropical migrant with only 300-500 breeding pairs. The objective of the second study was to determine the presence/absence of this bird in the Colorado River delta. Surveys were conducted from June to …
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Habitat selection, food availability, and reproductive success of southwestern willow flycatchers on the South Fork Kern River, California
The southwestern willow flycatcher (Empidonax traillii extimus) is a federally-endangered neotropical migrant that breeds in the southwestern United States. The population of southwestern willow flycatchers on the South Fork Kern River in California was once thought to be one of the largest E. t. …
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Hydraulic and geospatial analyses of stream engineering and habitat restoration near Los Lunas, NM
… amarus) and the Southwestern willow flycatcher (Empidonax traillii extimus), by restoring a natural inundation regime to the overbank area. This inundation regime provides spawning and rearing habitat for the minnow in addition to promoting native vegetation over non-native and invasive …