a Organismic and Evolutionary Biology Graduate Program, University of Massachusetts Amherst, Amherst, MA, U.S.A. b Department of Psychology, University of Massachusetts Amherst, Amherst, MA, U.S.A. c Department of Biology, University of Massachusetts Amherst, Amherst, MA, U.S.A. d Department of Biology, San Diego State University, San Diego, CA, U.S.A. e Department of Biology, University of Okl...
