Hai Collection, Lower Volume
Radical: Bird (niǎo)
Character: tian
Kangxi strokes: 21
Page 1498, Entry 03
Guangyun (Dictionary of Rhymes): Pronounced tian.
Jiyun (Collection of Rhymes): Pronounced tian.
Erya (Approaching Elegance), Interpretation of Birds: Tian is the mother of mosquitoes.
Guo Commentary: It resembles a crow but is larger, with mixed yellow and white patterns; its cry sounds like a dove. People in Jiangdong today call it the mosquito mother. It is also known as the mosquito-spitting bird.
Lingnan Yiwuzhi (Strange Objects of Lingnan): The mosquito-spitting bird is as large as a blue-green egret, has a large beak, and eats fish.
Also, according to Jiyun (Collection of Rhymes): Pronounced zhen.
Also: Pronounced dian.
The meaning is the same.