Dark-sided Flycatcher
Muscicapa sibirica
The dark-sided flycatcher is 13 to 14 cm (5.1 to 5.5 in) in overall length. The upperparts are plain and dark grey-brown apart from a pale wingbar and pale edging to the tertial feathers. The breast and flanks have a variable amount of streaky dark grey-brown. The pale submoustachial stripe and dark malar stripe outline the white throat and half-collar. The centre of the lower breast and belly is white while the undertail-coverts are white with dark centres to the feathers. The bill is short and dark and the feet are black. The eye is large and has a whitish ring around it.
ID text from Wikipedia, CC BY-SA 4.0
Spotted Flycatcher
Muscicapa striata
The spotted flycatcher is a small slim bird, around 14.5 cm (5.7 in) in length, with a weight of 14–20 g (0.49–0.71 oz). It has dull grey-brown upperparts and off-white underparts. The crown, throat and breast are streaked with brown while the wings and tail feathers are edged with paler thin margins. The subspecies M. s. tyrrhenica has paler and warmer plumage on the upperparts, with more diffuse markings on the head and breast. The sexes are alike. Juveniles have ochre-buff spots above and scaly brown spots below.
ID text from Wikipedia, CC BY-SA 4.0

Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Dark-sided Flycatcher and Spotted Flycatcher.