M.Sc. in Behavioral Ecology of Tropical Birds. A small number of Biology Graduate Teaching Assistantships and NSF-sponsored Research Assistantships are available to study avian behavioral ecology in the lab of Dr. Karl Berg in the Department of Biology, University of Texas Rio Grande Valley. Successful candidates will be engaged in ongoing research into vocal communication in Green-rumped Parrotlets in Venezuela. Preference will be given to applicants that harbor a genuine interest to carry out field research in a foreign, Spanish-speaking culture and are willing and capable to be productive in a challenging, hot, humid, buggy, isolated, lowland tropical field site. Field work entails, but may not be limited to checking contents of nest boxes, video-recording nestling behavioral develop