Near threatened birds include the Siamese fireback and Oriental darter. A Gun, Fireback, Joe Dakota, Achtung! The thicker the fireback, the longer (and softer) this radiative effect. The other function of the fireback is to act as a radiator of stored heat. Recastings of historic fireback designs are still made in England and the United States. The crestless fireback is a retiring bird and has been little studied. Also, Salvadori's pheasant occurs at higher altitudes in Sumatra than the crestless fireback. A fireback thus may increase the efficiency of the fire. The Siamese fireback has been nominated to be the national bird of Thailand. The crestless fireback ("Lophura erythrophthalma") is a species of bird in the family Phasianidae. The crested fireback is found in lowland forests of the Thai-Malay Peninsula, Borneo and Sumatra.