Male Black-throated Blue Warblers (Dendroica caerulescens) can be aged as yearlings (SY) or older (ASY) during the breeding season using binoculars. Significant differences in wing color of SY and ASY males, as revealed ...
Diamond's ''assembly rules'' model posits that competitive interactions among species govern the composition of avifaunas. Although originally applied to islands in archipelagoes, this controversial set ...
Durrant, K. L.; Beadell, J. S.; Ishtiaq, F.; Graves, Gary R.; Olson, Storrs L.; Gering, E.; Peirce, M. A.; Milensky, Christopher M.; Schmidt, Brian K.; Gebhard, C.; Fleischer, Robert C.(2006)
Critical correlative support for Bergmann's ecogeographic rule is provided by symmetrical patterns of size variation in Diglossa carbonaria, a tropical passerine bird whose geographic range in the Andes Mountains of ...