Job Description: The Rubenstein lab at Columbia University (https://www.columbia.edu/~dr2497) is recruiting PhD students interested in studying the evolution of complex animal societies and/or how organisms adapt to and cope with environmental change. We are particularly interested in applicants looking to integrate studies of behavior, evolution, ecology, endocrinology, neuroscience, and genomics. Current projects include a long-term study of cooperatively breeding superb starlings in Kenya where we are interested in determining how environmental variation influences behavior, life history, and physiology. Recently, we have expanded our work