Grass Wren singing on a fence post at sunset with yellow defocused grass at background

grass wren wren birding avian bird perched birdwatching singing beak ornithology wildlife platensis conservation wing animals in the wild feather feathers animal vertebrate beauty in nature curious biodiversity fauna closeup spring cute nature cistothorus ecology slow motion natural close up 4k beauty south america habitat eye beautiful behavior environment outdoors eye level light amazing biology color vibrant colorful green