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Article
Aaron D. Flesch, Auteur ; Carlos González Sánchez, Auteur ; Javier Valenzuela Amarillas, AuteurThe Sierra Madre Occidental and neighboring Madrean Sky Islands span a large and biologically diverse region of northwest Mexico and portions of the southwestern United States. Little is known about the abundance and habitat use of breeding bird[...]
Article
Aaron D. Flesch, AuteurInformation on population trends, population structure, and factors that drive them is useful for assessing extinction risks and for guiding conservation. In arid environments, weather often has large effects on population dynamics and climate c[...]
