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1/16/2008

NSF CAREER grant goes to Dr. Creagh Breuner

Assistant Professor Creagh Breuner recently obtained a 5-year CAREER grant from the National Science Foundation.  CAREER awards are the NSF's most prestigious awards for early-career scientists.  Dr. Breuner’s project focuses on understanding mechanisms of variation in stress endocrinology in free-living birds.  The focal species is the white-crowned sparrow, which Breuner has worked on in the Sierra Nevada Mountains near Yosemite for more than 10 years.  More info.





1/16/2008

NSF CAREER grant goes to Dr. Vanessa Ezenwa

Dr. Vanessa EzenwaVanessa Ezenwa—an assistant professor in the Division—recently obtained a 5-year CAREER grant from the National Science Foundation.  CAREER awards are the NSF's most prestigious awards for early-career scientists.  Dr. Ezenwa’s project focuses on understanding how parasites shape animal behavior.  Her work will be carried out in Africa on Grant’s gazelles, a species in which dominant males defend territories and subordinate males join roving bachelor herds. A key question of the work is whether parasites drive variation in mating tactics by influencing individual mating decisions, behavior and mating success. &nb...more





1/16/2008

Ken Dial and students publish new hypothesis on the evolution of bird flight

Evolution of FlightHow did birds take to the air?  In a recent Nature paper Ken Dial and students Brandon Jackson and Paolo Segre propose a new hypothesis (an extension of an earlier idea published in Science Dial 2003 on wing-assisted incline running).  Using common, ground-dwelling chukars, they analyzed how birds flap their wings across a juvenile-to-adult developmental sequence.  Although birds at different stages used their wings very differently—early stages used them to assist running up inclines while adults used them for different kinds of flight—the wing s...more



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