Red-billed quelea perched in acacia bush, preening themselves, close-up, Tanzania

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