Western hoolock gibbon (Hoolock hoolock), female screaming in bamboo, Gumti wildlife sanctuary, Tripura state, India

tropical forest adult female alone shout front shot overview bamboo endangered (iucn) en fauna and flora sanctuary cites appendix 1 january nobody hoolock western hoolock gibbon (hoolock hoolock) gumti (wildlife sanctuary) forest natural area stage of development individual enumeration vocal communication sound communication communicate social behaviour behavior shot gramineae / poaceae family cyperales order monocotyledon flowering plant spermatophyte flora threatened endangered species iucn red list of threatened species species environment protection environment management biodiversity management biodiversity environment convention on international trade in endangered species of wild month of year hylobatidae catarrhini haplorhini primates mammalia vertébré hoolock gibbon (hoolock) gibbon old world monkey primate mammal wild animal tripura (state of) india indian subcontinent asia eurasia old world continent bunopithecus hoolock hoolock hoolock hoolock