The family group of Hoolock gibbons ( 1 ♀ 1 ♂) was observed and the data of their daily feeding amount were recorded by the focal animal sampling method in spring and autumn from 2007 to 2008.

  • 野外于2007年–2008年春、秋季以焦点动物取样法观察同一家群(1♀1♂)白眉长臂猿,记录日取食量相关数据。

  • 互联网摘选 2026-07-12 18:27:02

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