On my walk today I saw (and heard) quite a few thrushes. The dusky thrush (tsugumi) was in a field and the pale thrushes (shirohara) were in the field and in the forest.
Order: Passeriformes; Family: Turdidae (thrushes)
English: Dusky Thrush; Japanese: tsugumi
Scientific name: Turdus naumanni
English: Pale Thrush; Japanese: shirohara
Scientific name: Turdus pallidus
Location: Near Fureainomori, Munakata (google map here)