Aerobic performance in tinamous is limited by their small heart. A novel hypothesis in the evolution of avian flight
Abstract
Some biomechanical studies from fossil specimens suggest that sustained flapping flight of birds could have appeared in their Mesozoic ancestors. We challenge this idea because a suitable musculoskeletal anatomy is not the only requirement for sustained flapping flight. We propose the “heart to fly” hypothesis that states that sustained flapping flight in modern birds required an enlargement of the heart for the aerobic performance of the flight...
Paper Details
Title
Aerobic performance in tinamous is limited by their small heart. A novel hypothesis in the evolution of avian flight
Published Date
Nov 21, 2017
Journal
Volume
7
Issue
1
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