2026 Reading Challenge

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Are you Tim R. Birkhead, author of the books below?
Sperm Competition and Sexual Selection by Tim R. Birkhead Sperm Competition in Birds by Tim R. Birkhead Sperm Biology by Tim R. Birkhead Battle of the Sexes by Tim R. Birkhead Avian Ecology by Christopher M. Perrins The Atlantic Alcidae by David N. Nettleship


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