An acacia tree is completely covered by the nests of the sociable weaver birds

acacia tree covered bird nest sociable weaver weaver bird colonies philetairus socius community nests spectacular structure south africa kalahari breeding permanent nests chambers beak birdwatching nature ornithology sociable bird africa wildlife weaver african safari desert wilderness etosha dry fauna background natural conservation small brown feather philetairus species grass outdoor savanna branch straw trip birding