flock of african sacred ibis in flight

african sacred ibis threskiornis aethiopicus threskiornithidae wading bird white plumage dark plumes rump black neck head downcurved beak legs wings wetland lake pond rivers zoology ornithology ornitologist daylight sunlight sunny fly flight flying flock sky blue winter december narni terni province umbria italy europe nature natural animal avian wild aquatic outdoor nest eggs beauty large environment wildlife