swallows perching on a marsh grass in the middle of the lake. beautiful small sparrow-sized birds close-up

california oceano spring wildlife animal background barn swallow beak beautiful bird birdwatching branch brown bush bushtit coast ecology environment exotic feather grass green habitat lake landscape marsh marshland national park natural nature people ornithology outdoors pacific ocean perching reserve shrub small songbird sparrow springtime tail travel tree usa wild wings swallows middle sparrow-sized birds close-up lake