Browsing by Author "Iwaniuk, Andrew N."

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Anatomical evidence for scent guided foraging in the turkey vulture

Grigg, Nathan P.; Krilow, Justin M.; Gutierrez-Ibanez, Cristian; Wylie, Douglas R.; Graves, Gary R.; Iwaniuk, Andrew N. (2017)
a Comparative Test of the Correlated Evolution of Flightlessness and Relative Brain Size in Birds

Iwaniuk, Andrew N.; Nelson, John E.; James, Helen F.; Olson, Storrs L. (2004)

Abstract Secondary flightlessness has evolved independently many times in birds. Morphological changes in the pectoral girdle and flight feathers and changes in body size have been associated with the evolution of ...
Comparison of eye morphology and retinal topography in two species of new world vultures (Aves: Cathartidae)

Lisney, Thomas J.; Stecyk, Karyn; Kolominsky, Jeffrey; Graves, Gary R.; Wylie, Douglas R.; Iwaniuk, Andrew N. (2013)

Vultures are highly reliant on their sensory systems for the rapid detection and localization of carrion before other scavengers can exploit the resource. In this study, we compared eye morphology and retinal topography ...
Extraordinary cranial specialization in a new genus of extinct duck (Aves: Anseriformes) from Kauai, Hawaiian Islands

Iwaniuk, Andrew N.; Olson, Storrs L.; James, Helen F. (2009)

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