a rhea in a field of tall grass, looking directly at the camera, with other rheas blurred in the background

southamerica ornithology environment background vegetation wilderness feathered grassland landscape wildlife outdoors creature portrait feathers sunlight looking blurred zoology pasture scenery ecology biology habitat closeup plumage camera animal nature summer exotic safari africa family bright field grass rheas fauna green avian focus flock group rhea tall bird wild head neck beak blur herd eye day