Does transgenderism exist in nature? Some examples in birds and insects

A brown headed cowbird nestling (right) being raised by a warbler adult. Image credit: Audubon, Beth Hamel

The seventh in a series from the blog Gender and Sexuality in Nature, a 2016 UC Davis course organized by UM EEB alumnus Ash Zemenick (UM EEB B.S. 2011, Ph.D. UC Davis 2017) and Jacob Moore (B.S. University of Washington 2009, Ph.D. UC Davis 2017). Being transgender myself, I have often wondered if there are…