common raven with an egg stolen from unguarded birds nest

adaptable adult animal background beak bill bird egg birds birdwatching black closeup common raven corax corvid corvidae corvus crow diet eating fauna feather feathers feeding food chain intelligent iridescent large meal natural nature omnivorous ornithology outdoor passerine plumage profile scavengers scavenging smart widespread wild wildlife wing wings stolen unguarded nest palo alto baylands california