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Article
Anthony C. Dalisio, Auteur ; William E. Jensen, Auteur ; Timothy H. Parker, AuteurDivergence in song culture has been well documented among isolated bird populations. Montane populations separated by unsuitable lower-elevation habitats thus appear to be excellent candidates for cultural divergence, and existing data support t[...]
Article
Levi Jaster, Auteur ; William E. Jensen, Auteur ; Andrew R. Forbes, AuteurHenslow's Sparrows (Ammodramus henslowii) are known to breed in restored grasslands consisting of either warm- or cool-season grasses, but additional information is needed concerning their breeding biology in these two types of grasslands. We co[...]
Article
Martin D. Jacobson, Auteur ; Eric T. Tsakiris, Auteur ; Ashley M. Long, Auteur ; William E. Jensen, AuteurMethods for monitoring bird nests might influence rates of nest predation, but the effects of various methods (e. g., visual markers and observer visitation rates) are often separately investigated among disparate avian taxa and geographic regio[...]
Article
Kimberly A. With, Auteur ; Anthony W. King, Auteur ; William E. Jensen, AuteurGrassland birds are in steep decline throughout many regions of the world. In North America, even some common species have declined by > 50% over the last few decades. Declines in grassland bird populations have generally been attributed to wide[...]
