From Nature News, 11 November 2019:
Meet Vietnam’s silver-backed chevrotain. Once thought lost to science, the animal has been found again, an international research team reports. Photographs the group gathered of the species in forests near the city of Nha Trang in Vietnam are the first scientific evidence of the small hoofed mammal in nearly 30 years.
The animal was first described in 1910 from four specimens, but since then only one verifiable record exists, from the early 1990s. The Red List of Threatened Species maintained by the International Union for Conservation of Nature classifies the silver-backed chevrotain (Tragulus versicolor) as ‘data deficient’. Read more.