{"ok":true,"nota":{"id":"5305742aad66a14b","slug":"las-islas-del-caribe-fueron-el-centro-de-diversidad-de-las-lechuzas-de-530574","titulo":"Las islas del Caribe fueron el centro de diversidad de las lechuzas de campanario","resumen":"Un estudio genético sobre lechuzas de campanario indica que las islas del Caribe concentraron la mayor variedad de estas aves en el pasado. Los autores reconstruyeron cómo se dispersaron desde allí hacia otras regiones.","fuente":"phys","fuenteNombre":"Phys.org","color":"#2b5c8a","autor":"","url":"https://phys.org/news/2026-10-caribbean-islands-center-diversity-barn.html","imagen":"https://scx1.b-cdn.net/csz/news/tmb/2017/barnowl.jpg","tema":"ciencia","subtemas":["lechuzas","biodiversidad","genética de poblaciones","caribe","evolución de aves"],"entidades":["Jessica Oswald","islas del Caribe","Bahamas"],"formato":"dato","entretenimiento":false,"pubTs":"2026-10-20T23:00:04.000Z","indexTs":"2026-10-20T23:02:40.485Z","hash":"6957a6c98d1372f77a4fd0d340062fc87b47ba958e382b7ba89fdddf7d7d3513","tsa":{"time":"Oct 20 23:03:03 2026 GMT","provider":"freetsa.org","sobre":"sello"},"stats":{"views":0,"likes":0,"clicks":0,"dwell":0},"tipo":"normal","registro":"hallazgo","porQueImporta":"Las aves de estas islas revelan cómo se movieron las especies a lo largo de miles de años, algo que se estudia con genética y no con leyendas. Para alguien de acá, es una forma de entender que las rutas de la naturaleza cambian con el tiempo y que el mapa actual de las especies es solo una foto de un proceso más largo. Lo que hoy parece un rincón marginal pudo haber sido un punto clave de la biodiversidad del continente.","quienFirma":"Universidad de Florida","confianza":"revisado","consulta":null},"sello":{"hash":"6957a6c98d1372f77a4fd0d340062fc87b47ba958e382b7ba89fdddf7d7d3513","sello":"44c8b0599431a1f429b08f5a2d0c3e084e51f7d0597b654dff861083367c0fcc","beacon":{"drand":{"cadena":"8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce","ronda":6570211,"aleatorio":"4a0cc76f2d14af0a61b198322d033dd6f02a8431430efdc41d79122fd1f5c1f8","tiempo":"2026-10-20T23:02:30.000Z"},"nist":{"cadena":2,"pulso":1992311,"salida":"FEAF43BC44A20B3C6ACAF5EB8DB9983347E2058A73A04C52675169DCEC71E023782B3B53D0B251B04FDFDC37D7F38E030A4A5319ED4C64262A828A42DF2EB9B1","tiempo":"2026-10-20T23:02:00.000Z"},"noAntes":"2026-10-20T23:02:30.000Z"},"verificacion":{"drand":true,"nist":true},"tsa":{"time":"Oct 20 23:03:03 2026 GMT","provider":"freetsa.org","sobre":"sello"},"original":{"titulo":"Caribbean islands were once the center of diversity for barn owls","descripcion":"Legend has it that a giant elfin, owl-like creature called the chickcharney haunts the islands of the Bahamas. Those who encounter this cryptid on cordial terms are said to be blessed with good luck. Those who disrespect the chickcharney, however, don't fare as well. \"If you see one shoe in the field, it means that chickcharney came, picked up this person and took them away,\" said Jessica Oswald, recounting a story she was told in the Bahamas.","pubDate":"Tue, 20 Oct 2026 19:00:04 EDT","url":"https://phys.org/news/2026-10-caribbean-islands-center-diversity-barn.html"},"indexado":"2026-10-20T23:02:40.485Z"}}