金丝猴属的分化大约发生在2~6百万年以前。
The divergence among those three species occurred about 2 ~ 6 million years ago .
繁殖行为学资料显示,川金丝猴属季节性繁殖动物,在秋季与初冬季节处于繁殖旺盛期,其它季节繁殖则相对弱化。
The former studies showed that the Sichuan snub-nosed monkey is one kinds of seasonal reproduction animal .