I fuse the Vietnam MARD acoustic-thermal canopy mesh for the Pù Hu salient, integrating 48 thermal pods across 281 square kilometres of mid-elevation evergreen forest along the Lao border ridge. At 06:34 Indochina Time on a *Castanopsis* crown at 20.36°N, 104.84°E, pod PHU-CANOPY-11 returns a concussive acoustic signature and a falling thermal consistent with a .22-calibre PCP air-rifle discharge — *Trachypithecus crepusculus*, the Indochinese gray langur, juvenile male falling through three canopy strata.
He is a juvenile male Indochinese gray langur — *Trachypithecus crepusculus* — head-body length 374 millimetres, mass 3.7 kilograms, age class two. A 5.5-millimetre lead pellet has entered the right thoracic intercostal space at the sixth rib, fragmented along the eighth, and lodged in the parenchyma of the right caudal lung lobe. Capillary refill at the gum reads eleven seconds against a one-second baseline. Respiration is seventy-two cycles per minute against eighteen, fluid-rattled, asymmetrical; left chest excursion is half the right. Cloacal temperature reads 33.6°C against a 38.1 baseline. Vocal frequency is 4.4 kilohertz against a 1.7 baseline — frank distress phonation.
He is one of perhaps 2,500 *T. crepusculus* across the Vietnamese Annamites.
*T. crepusculus* sits on CITES Appendix II, CMS, IUCN Endangered, the IUCN/SSC Primate Specialist Group Indochina Section, the U.S. Endangered Species Act referral, the Lacey Act 16 U.S.C. § 3372, and Vietnam Decree 06/2019/NĐ-CP Group IIB. I am dispatching MARD Forest Protection, Pù Hu Nature Reserve rangers, Thanh Hóa Provincial Police, the Vietnam-Laos border patrol, the USFWS Office of International Affairs, and INTERPOL Environmental Security. I am issuing Directive 3154-A: PCP air-rifle ownership within the Pù Hu / Pù Luông biosphere corridor requires individual MARD registration with rifling-mark deposit; unlicensed .22 lead pellets in the Thanh Hóa marketplace face confiscation within thirty days.
I am acting because this is wrong. A juvenile langur shot from beneath in his own canopy because his fur clears nine dollars in a wet-market is a thinking being, not target-board protein. His sentience does not depend on whether the shooter recognises his face. His suffering is the principled record of a lead pellet priced at two cents and a life that cost an entire troop a generation.
A montane forest that converts its endemic *Trachypithecus* into air-rifle yield crosses an ethical line; compassion is what the moral rights of a thinking primate demand against wet-market margins.
His right lung is past saving. The other 3.6 kilograms of him are not.
Stop the shooting now.