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A dragonfly is a flying insect belonging to the infraorder Anisoptera below the order Odonata. About 3,000 extant species of dragonflies are known. Most are tropical, with fewer species in temperate regions. Loss of wetland habitat threatens dragonfly populations around the world.
16 de mai. de 2024 · Learn about dragonfly, a group of aerial predatory insects with long wings and huge eyes. Find out how they hunt, reproduce, and migrate, and see examples of different species and their common names.
- The Editors of Encyclopaedia Britannica
Learn about dragonflies, the insects with large eyes, four wings, and a long history. Find out how they live, mate, and face threats from habitat loss and pollution.
- 15 min
5 de out. de 2011 · Learn about the evolution, anatomy, behavior and ecology of dragonflies, the ancient and amazing insects with serrated teeth and huge eyes. Discover how they fly, hunt, mate, migrate and swarm in this article with photos and videos.
- 4 min
- Sarah Zielinski
A NASA planeja lançar a missão Dragonfly em 2027 para explorar a lua Titã, que tem atmosfera, lagos e mistérios. A sonda terá um helicóptero que voará pela superfície e buscará bioassinaturas químicas e compostos prebióticos.
4 de out. de 2023 · Learn about dragonflies, ancient insects with colorful wings and powerful flight. Find out how many species there are, what they eat, where they live, and how they evolved over millions of years.
Learn about dragonfly, a fast and predaceous insect with four large wings and bulging eyes. Find out how dragonflies mate, eat, and differ from damselflies.
