Sambar deer
Animal species in the Thanon Thong Chai Range are threatened by deliberate wildfires that are set seasonally by farmers in different areas across the range. Wild fauna in the range includes Sambar deer, barking deer, serow, leopard, goral and the Tenasserim white-bellied rat, as well as many bird species. A number of national parks and wildlife sanctuaries are found in the range.