Vietnam Primate Conservation Status Review 2002 - Hoang Lien ...

3.3 CAT BA LANGUR - Trachypithecus poliocephalus poliocephalus
Table 3.3.4-2
Cat Ba langur records in 2001 (Stenke, 2001c)
Locality Group Size Reproduction in 2000/2001 Remarks
Cong Ke 1 6 yes Inside Cat Ba NP; group isolated on a
peninsula, in contact with Cong Ke 2 group;
contact with other groups and emigration
impossible
Cong Ke 2 2 no Inside Cat Ba NP; group isolated on a
peninsula, in contact with Cong Ke 1 group;
contact with other groups and emigration
impossible
Cai Lang Ha 4 no Inside Cat Ba NP; group isolated on a
peninsula, contact with other groups and
emigration impossible
Peninsula location 1 10(11?) no Inside Cat Ba NP; contact with peninsula
groups 2 and 3 probable
Peninsula location 2 6 no Inside Cat Ba NP; contact with peninsula
groups 1 and 3 probable
Peninsula location 3 4 no Inside Cat Ba NP; contact with peninsula
groups 1 and 2 probable
Ang Ke 3(?) yes(?) Inside Cat Ba NP; unconfirmed
Dong Cong 4 yes Outside Cat Ba NP; Group isolated on an
island, return to main island impossible due
to mangrove destruction
Hang Cai 1 6 no Outside Cat Ba NP; Isolated on a
peninsula; contact with Hang Cai 2 group,
contact with other groups and emigration
impossible
Hang Cai 2 6 no Outside Cat Ba NP; Isolated on a
peninsula; contact with Hang Cai 1 group,
contact with other groups and emigration
impossible
Cai So 2 no Outside Cat Ba NP; two females isolated
on two small islands; in contact with each
other, return to the main island impossible
due to mangrove destruction
Ang De - Hien Hao 4-6(?) yes(?) Outside Cat Ba NP; Unconfirmed
TOTAL 50-60
Peninsula locations 1, 2, 3 are equivalent to the locations Tung Ba Man, Ang Gay, Gio Cung, Van Ta, Ong Cam, Ang Le and Uom by
Nadler & Ha Thang Long, 2000
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