climate change and geological upheavals that produced distinctive lineages living in mostly disconnected areas of Africa. (Chris Robinson, 2011: 339-362). The global population was estimated at 151,702-163,452 in 1985, and 97,562 in 2015. ("The IUCN red list of threatened species", Cambridge, 2016)
pays: Nyassa
année: 1901
Yvert: 29
