In 1985, to support the return of the critically endangered Père David's deer to China, Lü Zhengcao helped found and chair the China Milu Foundation, now known as the China Biodiversity Conservation and Green Development Foundation.
Zoo-bred animals of several species listed by IUCN as “extinct in the wild” did survive in zoos and have been reintroduced to parts of their former range in recent years (Partula spp., Père David's deer EW, Scimitar-horned oryx EW).
David Bowie | David Lynch | David | Late Show with David Letterman | David Cameron | David Beckham | David Lloyd George | David Hume | David Hockney | David Letterman | David Byrne | David J. Eicher | David Mamet | David Foster | Late Night with David Letterman | David Ben-Gurion | Jacques-Louis David | David Guetta | David Carradine | Henry David Thoreau | David Tennant | David Niven | David Essex | David A. Stewart | David Sanborn | David Livingstone | David Garrick | David Crosby | David Attenborough | David Souter |
In Tibet, the argali must regularly compete with other grazing species for pasture, including Tibetan antelope, bharal, Thorold's deer and wild yaks.
Dorsal pelage is dark brown, often nearly black and the ventral pelage is gray, sometimes brown.
Laurent Chazée, an agronomist with the United Nations, later identified the antlers from a photograph he took as coming from Schomburgk's deer.
Thorold's deer has traditionally been included in the genus Cervus, and genetic evidence suggests this is more appropriate than its present placement in the monotypic genus Przewalskium.
This is supported by mtDNA cytochrome b sequence analysis; within Poecile, the Willow Tit is part of a group of Eurasian "typical chickadees" that includes also the Marsh Tit, Père David's Tit, and the Songar Tit (Gill et al. 2005, del Hoyo et al. 2007).