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Ecology

W.T. Edmondson Endowed Lecture: The Evolution of Colorful Signals and Structures in the Avian World

Birds evolved about 150 million years ago, and today they are the most diverse and colorful land vertebrates. In my group, we are fascinated by the ecological and evolutionary processes that drive this variation. Much of our work investigates coloration and vision in birds. A fundamental challenge is that birds see differently from humans: they have tetrachromatic vision (four color cone-types) and ultraviolet sensitivity. To estimate a “bird’s-eye view,” we combine advanced imaging techniques with new computational methods.

Distance Dependent Contribution of Ants to Pollination but Not Defense in a Dioecious, Ambophilous Gymnosperm

Aranda-Rickert A, Torréns J, Yela NI, Brizuela MMagdalena, Di Stilio VS.  2021.  Distance Dependent Contribution of Ants to Pollination but Not Defense in a Dioecious, Ambophilous Gymnosperm. Frontiers in Plant Science. 12:1979.

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