Red-billed quelea millions of them in murmuration above Ndutu marsh, Tanzania

murmuration swarm birds flying flock of birds migration redbilled quelea murmering migratory flock ploceidae passerine flight fly wildlife observation wildlife ndutu fauna birding lake tanzania nature landscape bird redbilled dioch avian group fast wild abundance marsch bird watching animal horizontal weaver natural wild animal dioch subsaharan africa small safari tree golden hour family bill perched red