鸟类学家 niǎolèixuéjiā ornithologist Origin Definitions Defs Strokes Stroke Words Sentences Sents 鸟类学 鳥類學 niǎolèixué ornithology ornithology; the scientific study of birds家 jiā affixnoun specialist noun suffix for a person with special skills or expertise, equivalent to -ist, -er, or -ian