Dark-sided Flycatcher, Muscicapa sibirica perched on the vine in the forest as it looks around while swinging forward and back in Chonburi, Thailand

darksided flycatcher flycatcher passerine muscicapidae passeriformes muscicapa sibirica wintering birds beak bird foraging palearctic perch plumage forage wildlife footage wildlife species ornithology small insectivorous migratory conservation fly nature feather bokeh ecology branch national park wing feathers wings sooty animal forest vine environment insect chonburi portrait thailand siberian natural bill asia habitat tropical chinese blue