A particularly large social weaver bird nest growing in a dead acacia tree, NamibRand, Namib Desert, Namibia, Africa

A particularly large social weaver bird nest growing in a dead acacia tree, NamibRand, Namib Desert, Namibia, Africa

Sociable weaver (social weaver) (Philetairus socius), Kgalagadi Transfrontier Park, encompassing the former Kalahari Gemsbok National Park, South Africa, Africa

Nest of sociable weaver birds (philetairus socius) high up in a tree with mountains in background, Namib-Naukluft, Namibia, Africa

Sociable Weaver nests on a tree, Namibia

Barn Owl (Tyto alba). At its nest. A former communal nest of Sociable Weavers (Philetairus socius). Kalahari Desert, Kgalagadi Transfrontier Park, South Africa.