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“Omicron,” mused a student in Assistant Professor of political science Mauro Caraccioli’s fall 2021 Plagues, Pandemics, and Politics class.

Machaeropterus deliciosus) and its relatives. Murray Cooper/Minden Pictures The genes behind the sexiest birds on the planet Mar. 3, 2021 , 1:00 PM For a glimpse of the power of sexual selection, the dance of the golden-collared manakin is hard to beat. Each June in the rainforests of Panama, the sparrow-size male birds gather to fluff their brilliant yellow throats, lift their wings, and clap them together in rapid fire, up to 60 times a second. When a female favors a male with her attention, he follows up with acrobatic leaps, more wing snaps, and perhaps a split-second, twisting ba...