送交者: 短江学者 于 2012-11-20, 11:27:34:

回答: Cropping 由 cornbug 于 2012-11-20, 10:35:08:

• I don't think so, it is simply used to suck the nectar. (无内容) - silxirt (0 bytes) 2012-11-20, 11:35:55 (691950)
  • its pretty hard to keep the precise position without 喙起点支撑作用吧？ (无内容) - 短江学者 (0 bytes) 2012-11-20, 11:51:25 (691954)
    • 直升飞机也要支点吗？ - pgss (28 bytes) 2012-11-20, 20:47:36 (692056)
    • 瞎猜：重心不在喙端因此不能起支撑作用，但可能帮助平衡 - silxirt (26 bytes) 2012-11-20, 11:56:54 (691956)
      • integrated balance, Ha! - cornbug (83 bytes) 2012-11-20, 12:24:04 (691962)
        • 鸟有shift neck stabilization系统 (无内容) - whoami (0 bytes) 2012-11-20, 12:50:08 (691972)
        • amazing (无内容) - 短江学者 (0 bytes) 2012-11-20, 12:34:40 (691969)
    • it does not seem to be able to suck from fragile flowers (无内容) - 短江学者 (0 bytes) 2012-11-20, 11:53:52 (691955)

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