El vuelo del colibrí [Autoguardado].pdf
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Características del vuelo del colibrí, ave maravillosa.
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El vuelo del colibrí [Autoguardado].pdf
- 1. El vuelo del colibrí
- 2. Características • Cuerpo aerodinámico Es el único tipo de pájaro que puede volar hacia atrás y bocabajo, eso es debido al movimiento circular de sus alas. Mantienen las alas estiradas sin doblarlas y las mueven desde el hombro girando de forma que el aleteo en ambas sentidos les de impulso y suspensión en el aire.
- 3. • Pico estrecho Con una lengua larga para llegar al néctar. Ingieren una cantidad superior a su peso corporal de néctar por día. Debido a su continuo vuelo requieren alimentarse cada 15 minutos, por su metabolismo rápido. También se alimentan de insectos, ya que necesitan proteínas para que puedan mantener sus alas fuertes, debido a su vuelo constante.
- 4. • Corazón En vuelo su corazón alcanza unos 1200 pulsos por minuto porque necesitan bombear sangre oxigenada a los músculos de las alas. El corazón se expande y bombeaba más sangre con cada latido. Cuando están posados el corazón va a un ritmo de 400 latidos por minuto.
- 5. Curiosidades Es una ave con necesidades extremas: • Pueden activar y desactivar los brillos de su plumaje a su antojo de modo que pueden lanzar las señales a los intrusos u ocultarse de un enemigo. • Mediante la noche bajan su temperatura corporal y su frecuencia cardiaca, pasan de 400 a 40 pulsaciones por minuto de manera extrema que pueden costarle la vida. • Su cerebro es mas grande en proporción con su cuerpo, en proporción tiene el cerebro mas grande de todas las aves. • Tienen excelente memoria, pueden recordar cada flor que han visitado e incluso en las rutas de migración, logran saber cuanto tiempo esperar entre las visitas para que las flores generen mas néctar. • Sus ojos pueden procesar la luz ultravioleta.