The Siamese fireback (Lophura diardi), also known as Diard's fireback, is a fairly large, approximately 80 cm (31 in) long, pheasant. The male has a grey plumage with an extensive facial caruncle, crimson legs and feet, ornamental black crest feathers, reddish brown iris and long curved blackish tail. The female is a brown bird with blackish wing and tail feathers.
The Siamese fireback is distributed to the lowland and evergreen forests of Cambodia, Laos, Thailand and Vietnam in Southeast Asia. This species is also designated as the national bird of Thailand. The female usually lays between four and eight rosy eggs.
This species of pheasant has a common name in Thai Kai Fah Phaya Lo (Thai: ไก่ฟ้าพญาลอ; Lord Lo's pheasant), according to Thai folk literature, Lilit Phra Lo where Phra Lo, the protagonist, is charmed by following the pheasant until he meets Phra Phuean and Phra Phaeng, the two sisters and later his lovers.