Is it a Asian Brown Flycatcher?

这只是否北灰鹟?。

Prolux's theory is based on studies of the collared flycatcher and the three-spined stickleback .

普罗勒克斯的观点是建立在有项圈的和三脊刺鱼的研究之上的。

The flycatcher has no pollution to the environment or harm to the human health; meanwhile, the fly catching effect is good.

其对环境无污染，对人体健康 无伤害，以及对苍蝇诱捕效果好等特点。