Flock of Red-Billed Quelea and Red Bishop Birds Fly into Grass and Disappear

bird red bishop quelea red billed flock fly grass disappear grassland landscape hide green environment scenic group euplectes orix wild wildlife outdoor outside day south africa africa african animal outdoors rietvlei nature reserve rietvlei centurion pretoria gauteng southern red bishop weaver redbilled quelea quelea quelea redbilled weaver redbilled dioch redbilled dioch savanna reserve wilderness flight passerine bird party party swarm