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Chapter 2: Population status on breeding groundsAuthor(s): Robert M. Marshall
Source: In: Finch, Deborah M.; Stoleson, Scott H., eds. Status, ecology, and conservation of the Southwestern Willow Flycatcher. Gen. Tech. Rep. RMRS-GTR-60. Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 3-12.
Publication Series: General Technical Report (GTR)
Station: Rocky Mountain Research Station
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DescriptionIn his review of the overall population status of the southwestern willow flycatcher, Unitt (1987) concluded that "Even if a few hundred pairs persist in New Mexico, the total population of the subspecies is well under 1000 pairs; I suspect 500 is more likely." Since Unitt's review, a substantial amount of information has been collected rangewide on the distribution and abundance of the southwestern willow flycatcher. The 1992 petition to list the flycatcher under the Endangered Species Act and the subsequent proposal by the U.S. Fish and Wildlife Service in 1993 to list the subspecies as endangered with critical habitat encouraged survey efforts rangewide. This chapter synthesizes these new distribution and population data to provide a current baseline from which to evaluate the conservation needs of this subspecies.
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CitationMarshall, Robert M. 2000. Chapter 2: Population status on breeding grounds. In: Finch, Deborah M.; Stoleson, Scott H., eds. Status, ecology, and conservation of the Southwestern Willow Flycatcher. Gen. Tech. Rep. RMRS-GTR-60. Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 3-12.
Keywordssouthwestern willow flycatcher, endangered species, riparian, Southwest, exotic woody plants, rivers, recovery, habitat restoration, Neotropical migratory bird, brown-headed cowbird
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