a black kite, milvus migran, sits in the zoo enclosure and proudly looks to the left. portrait

black kite bird animal wildlife eagle eye zoo wild fly predator biology close ornithology creature milvus migrans attentive enclosure isolated plumage portrait bill brown flying cage feather birdlife breast hunter big hunting proud feathered belly winged zoology beak prey colourful fauna people nature tranquility large beauty head aviary avian flight migran sits proudly looks left portrait close-up