Air sacs reduce energy costs for soaring birds

• 成果类型: News Item
• 署名作者: Tobalske, Bret W.
• 署名单位: University of Montana System; University of Montana
• 刊物名称: Nature
• ISSN/ISSBN: 0028-5688
• DOI: 10.1038/d41586-024-01508-4
• 发表日期: 2024-06-20
• 关键词: flight

摘要

Certain air sacs have evolved in multiple lineages of soaring birds, and it emerges that these probably function to reduce the force required from the major flight muscles as they hold the wings in place during gliding and soaring.