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Comportamiento y ecologia de las aves

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Comportamiento y ecologia de las aves

  1. 1. Algunos aspectos de ecología y comportamiento de las aves
  2. 2. Comunicación • Cantos: despliegues vocales, a menudo largos. Territoriales. Realizados por los machos. Los cantos posibilitan ubicar al ave. • Llamadas: vocalizaciones cortas y sencillas. Que pueden darse en cualquiera de los sexos. Es difícil determinar de donde provienen las llamadas.
  3. 3. Frecuencia e intensidad del sonido • El canto es un indicador de la calidad del macho: cantos más largos y frecuentes. • Las aves cantan más fuerte. El ruido de las ciudades dificulta la comunicación entre las aves. • Casuario. Infrasonidos. • https://www.youtube.com/ watch?v=nuSVLMHUkvQ
  4. 4. Siringe • https://academy.allaboutbirds.org/features/bi rdsong/how-birds-sing • 100% eficiencia en la producción de sonidos. La laringe de humanos es eficiencia en 2%. • https://academy.allaboutbirds.org/features/bi rdsong/birds-got-swing
  5. 5. Dialectos • Los cantos de las aves varían de una región a otra. • Jilguero • https://www.xeno- canto.org/species/Myadestes-melanops
  6. 6. Mimetismo vocal • https://www.youtube.com/watch?v=VjE0Kdfo s4Y
  7. 7. Duetos https://web2.uwindsor .ca/courses/biology/d mennill/CostaRica/RW WR/CRRWWR.html
  8. 8. Comportamiento territorial • Un territorio es una zona defendida continuamente por un periodo de tiempo. • Se realizan despliegues y los intrusos son perseguidos. • El territorio está limitado por el ave que defiende, u quizás, su pareja y progenie. • Los territorios pueden contener recursos tales como alimento, sitios de anidación, cortejo. • https://www.youtube.com/watch?v=Qp_g6hXGN 1c
  9. 9. Comportamiento grupal • Alimentación en grupos • Colonias de anidación • Bandadas mixtas • Dormideros de aves • https://www.youtube.com/watch?v=J9mTa4LZO G4 • Expulsar un intruso • https://www.facebook.com/alexbarbozae/videos /10205413300128486/
  10. 10. Comportamiento colaborativo • Acicalamiento • https://www.facebook.com/pepe.acuna.5/vid eos/pcb.10154801489527869/101587651023 10501/?type=3&theater • Bandadas mixtas • Reproducción
  11. 11. Defensa contra depredadores • Mimetismo
  12. 12. Acoso (Mobbing) aves • https://www.facebook.com/miltonsaulc/video s/2682796675081289/
  13. 13. Colonias nidos
  14. 14. Nidos en cornizuelos
  15. 15. Comensalismo

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