送交者: 短江学者 于 2012-11-20, 11:51:25:

回答: I don't think so, it is simply used to suck the nectar. 由 silxirt 于 2012-11-20, 11:35:55:

• 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)

加跟贴