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Article
Criteria for delisting Golden-cheeked Warblers (Dendroica chrysoparia) include protection of sufficient breeding habitat to ensure the continued existence of 1000 to 3000 singing males in each of eight recovery regions for >= 10 consecutive year[...]
Article
Jinelle H. Sperry, Auteur ; Rebecca G. Peak, Auteur ; David A. Cimprich, Auteur ; Patrick J. Weatherhead, AuteurVariation in predator behavior has been proposed, but not tested, as a mechanism producing seasonal declines in avian nest success. We test this hypothesis by documenting seasonal activity of Texas ratsnakes Elaphe obsoleta and nest failure of e[...]
