Jen Bright, an Assistant Professor in the USF School of Geosciences, discusses her and her colleagues' research into the relationship between modern bird beak shapes and their feeding preferences.   Find out more about Jen here: Selected Works Twitter Mark My Bird   Calling: Earth is a production of the USF Libraries in cooperation with the USF School of Geosciences. Questions, comments, and any other feedback can be directed to callingearth@usf.edu.