The brown-faced flycatcher flew to your home. It is recommended that you let it go and don't raise it. You won't be able to keep it alive.
The Brown-faced Flycatcher is a slightly smaller (10 cm), brightly colored and distinctive warbler. The head is maroon with black lateral crown stripes. The upper body is green and the waist is yellow. The lower body is white, the chin and throat are stained with black spots, and the upper chest is stained with yellow. The difference from the Chestnut-headed Flycatcher is that the side of the head is maroon, the white eye circles are not obvious, and there are no wing spots. The subspecies flavifacies has a heavier brownish-red face and darker upper body color. Resident birds are very common. The named subspecies is found in Xishuangbanna, and may also be found in the Jinping area of southern Yunnan; fulvifacies are widely distributed in central, southern and southeastern China, including Hainan Island and Taiwan.