Table 1.
YA1 Group composition (Jiang Ting and Zhu Lei, personal communication)
| Age/Sex classa | Name | ID (Rankb) | Mother | Birth or immigration year |
| Adult ♂ | TouGui | TG (1) | TouTai | b. 2003 (natal male) |
| ZiLong | ZL (2) | ?? | i. 2006 | |
| GaoShanc | GS (3) | ?? | b. 1984 (natal male) | |
| BaiTou | BT (4) | ?? | i. 2011 | |
| Adult ♀ | YeMai | YM (6) | Yed | 1990 |
| TouTai | TT (3) | Toud | 1991 | |
| YeZhen | YZ (2) | Yed | 1992 | |
| TouHong | TH (7) | TouGoud | 2003 | |
| YeHong | YH (5) | YeMai | 2003 | |
| HuaHong | HH (8) | Huad | 2003 | |
| TouRui | TR (1) | TouTai | 2004 | |
| HuaHui | HHU (4) | Huad | 2005 | |
| ♂ 3 year | TouRongBing | TRB | TouTai | 2008 |
| YeRongBing | YRB | YeZhen | 2008 | |
| ♀ 3 year | TouXiaXue | TXX | TouHong | 2008 |
| ♀ 2 yeare | YeChunYu | YCY | YeMai | 2009 |
| TouRongYu | TRY | TouTai | 2009 | |
| TouHuaYu | THY | TouRui | 2009 | |
| ♂ 1 year | HuaXiaMing | HXM | HuaHong | 2010 |
| TouRongGang | TRG | TouTai | 2010 | |
| YeRongQiang | YRQ | YeZhen | 2010 | |
| YeChungLong | YCL | YeMai | 2010 | |
| ♀ 1 year | YeXiaXue | YXX | YeHong | 2010 |
| ♂ Infant | Dumbo | DM | HuaHong | 04 May 2011 |
| Scar Face | SF | TouRui | 11 June 2011 | |
| Wee-Wee | WE | HuaHui | 23 June 2011 | |
| ♀ Infant | Sissy | SS | TouHong | 21 Feb 2011 |
a:In 2006 and 2007, only two male offspring survived to adulthood. Both had emigrated by the time of our study in 2011; b: See Zhu et al, 2013 for calculation of YA1 dominance rankings in 2011; c: GS was likely born in YA1 (Ogawa, 2006) but has emigrated several times. He returned to YA1 in 2005 and remained there continuously through the time of our study in 2011; d: Denotes dead individuals; e: In 2009 only females were born.