Hai Collection, Middle Volume. Radical: Bird (niǎo). Character: 鶷. Kangxi stroke count: 21. Page 1496, Entry 25.
Broad Rhymes (Guangyun): Pronounced xia. Collected Rhymes (Jiyun): Pronounced xia. The sound is xia. 鶷 is the name of a bird.
Dictionary of Characters (Zilin): 鶷 resembles the shrike (bai lao) but is smaller. Also, 鶷 is the mockingbird (fan she).
Li Shizhen states: The mockingbird (bai she) resembles a pheasant (gou) but is smaller. Its body is somewhat long, greyish-black, with slight spots. Its beak is also sharp and black. When it walks, it bows its head.
Xie Lingyun, Ode to Mountain Living (Shan ju fu): The pheasant (ji que) has embroidery-like texture, the 鶷鸐 (he di) has ribbon-like markings.
Also, Collected Rhymes (Jiyun): Pronounced he. The meaning is the same.