How much energy do birds use when they fly & how does environment impact bird migration?

EU-funded projects use tags & radars to solve flight mysteries, providing new insights for better bird conservation. The #MSCA MigrationRadar project is one of them: https://europa.eu/!QjK9VW.

🐦🔗: https://n.respublicae.eu/MSCActions/status/1597870550197469184