Cape Crow tries to hunt namaqua doves at a watering hole in the Kalahari

black raven raven hunting namaqua dove pigeon watering hole south africa eating scared off jackal approaching close up shot bird crow black wildlife feather beak dark wild corvus avian ornithology sandgrouse namaqua namaqua sandgrouse bird watching pterocles namaqua birding predator animal nature flying closeup raven bird birdwatching habitat scavenger crow silhouette corvus capensis dark bird kalahari hunt ambush attack