In this affecting memoir, O'Kane (Guatemala in Focus), a natural sciences lecturer at the University of Vermont, elegantly weaves personal and natural history as she details how her fascination with birds compelled her to quit her journalism career, return to school at age 45 to get a PhD in environmental studies, and become an ardent conservationist. Interspersed with O'Kane's account of deciding to go back to school after observing the resilience...