A new edition of the International Studbook for Javan Silvery Gibbons is available on Thomas Geissmann's Gibbon Research Lab. and the Gibbon Network .
This shows that 3.2 wild-born gibbons ( 2.2 born 2001 , 1.0 born 2002 ) arrived at Howletts from from Schmutzer on 15.11.2007 .
This shows that 3.2 wild-born gibbons ( 2.2 born 2001 , 1.0 born 2002 ) arrived at Howletts from from Schmutzer on 15.11.2007 .
