Data and codes from: Flight hampers the evolution of weapons in birds

João C. T. Menezes & Alexandre V. Palaoro
Birds are a remarkable example of how sexual selection can produce diverse ornaments and behaviors. Specialized fighting structures like deer’s antlers, in contrast, are mostly absent among birds. Here, we investigated if the birds’ costly mode of locomotion — powered flight — helps explain the scarcity of weapons among members of this clade. Our simulations of flight energetics predicted that the cost of bony spurs — a specialized avian weapon — should increase with time...
1 citation reported since publication in 2021.
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