NPR News: Animal sexuality may not be as binary as we're led to believe, according to new book

Animal sexuality may not be as binary as we're led to believe, according to new book
NPR's Sacha Pfeiffer talks with Eliot Schrefer, author of Queer Ducks (And Other Animals): The Natural World of Animal Sexuality. It's about how "natural sex" may not be as binary as some think.

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