Source: Courtesy of Nature Tanzania via Facebook
Long-billed Forest-warbler
>Number of mature species members left: 50-249
>Natural habitat: Forest, shrubland
>Geographic range: Tanzania
Source: AGAMI stock / iStock via Getty Images
White-bellied Cinclodes
>Number of mature species members left: 50-249
>Natural habitat: Grassland, wetlands, desert
>Geographic range: Peru
Source: luizmrocha / Flickr
Brazilian Merganser
>Number of mature species members left: 50-249
>Natural habitat: Wetlands
>Geographic range: Brazil, Argentina, Paraguay
Source: Charles J. Sharp / Wikimedia Commons
Sahafary Sportive Lemur
>Number of mature species members left: 40
>Natural habitat: Forest
>Geographic range: Madagascar
Source: Marouan Idrissi Hamouki / iStock via Getty Images
Addax
>Number of mature species members left: 30-90
>Natural habitat: Savanna, grassland, desert
>Geographic range: Chad, Niger, Mauritania
