portrait of two dunlins standing in muddy water

alpina animal autumn background beak bird birdwatching blue brown brownish calidris closeup coast czech day dunlin dunlins face faces feather foraging foreground grass green grey juvenile lake lakeshore making mud muddy nature ornithology outdoors plant portrait republic sandpiper sea seashore see september shallow shallows shore shorebird shorebirds standing stocky stone sunny transparent two vegetation wader wading water wave waves wetland white wild wildlife yellow young