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

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