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European Nightjar Reveals Unique Wing Technique for Migration
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What Happened?
Scientists have found that the European nightjar sacrifices flight efficiency for agility, using a unique wingbeat technique during its long migration from Europe to southern Africa.
Key points
- The European nightjar migrates thousands of miles annually between Europe and southern Africa.
- Researchers at Lund University studied the nightjar's flight in a wind tunnel.
- The bird's broad wing tips aid in slow flight but reduce efficiency at higher speeds.
- The nightjar generates thrust during the upward wingbeat, a feature linked to bats and insects.
- The findings challenge the assumption that long-distance migratory birds have wings optimized for speed.
Key insights
- The nightjar's wing design illustrates how evolution balances competing needs in animal flight.
- This research may inspire new designs in flapping aircraft, improving efficiency.
- The unique thrust generation technique could be common among other birds, warranting further study.
Why it matters
Understanding the nightjar's flight mechanics could lead to advancements in drone technology.
Tags
Entities
European Nightjar· SpeciesLund University· Organization
Source
Science Daily
