A newly born Mexican gray wolf cub, an endangered native species, is seen at its enclosure at the Museo del Desierto in Saltillo, Mexico, July 19, 2016. REUTERS/Daniel Becerril - RTSIRNA

Endangered wildlife in pictures

A recent report released by the World Wildlife Fund sounded the alarm that the global wildlife population faces possible two-thirds decline by 2020. Here is a look at some endanger...