 The impala occurs in woodlands and sometimes on the interface ( ecotone ) between woodlands and savannahs ; it inhabits places close to water . While the black @-@ faced impala is confined to southwestern Angola and Kaokoland in northwestern Namibia , the common impala is widespread across its range and has been reintroduced in Gabon and southern Africa . The International Union for Conservation of Nature ( IUCN ) classifies the impala as a species of least concern ; the black @-@ faced subspecies , however , has been classified as a vulnerable species ; as of 2008 , less than 1 @,@ 000 individuals remain in the wild . 
