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Birds are a group of warm-blooded vertebrates constituting the class Aves ( / ˈeɪviːz / ), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
Bird electric bikes and scooters are providing eco-friendly transportation for riders in hundreds of cities around the world. NYSE: BRDS.
19 de may. de 2024 · Learn about birds, the only living animals with feathers, from Britannica. Explore their evolution, anatomy, behavior, ecology, and cultural significance.
El Banco Internacional de Reconstrucción y Desarrollo (BIRD) es la institución del Banco Mundial encargada de la financiación, asistencia y apoyo a las economías del Segundo Mundo o economías en proceso de desarrollo.
Explore the diversity and adaptability of birds with stunning photos, videos, and stories. Learn about their anatomy, evolution, behavior, and conservation.
a creature with feathers and wings, usually able to fly. ave, pájaro. caged / wild birds aves enjauladas, aves en libertad. wading birds aves zancudas. Most birds lay eggs in the spring. Penguins and ostriches are flightless birds (= they cannot fly).
Explore species accounts, maps, multimedia, and family overviews for all 11,017 bird species. Subscribe to access full content, watch webinars, and learn about avian phylogeny and ecology.
