Helanshan Redstart, also known as Ala Shan Redstart, is a medium-sized redstart.Helanshan Redstart is very similar to the Red-backed Redstart (Phoenicurus erythronotus). Vauri (1959), Etchecopar et al. (1983) and de Schauensce (1984) believed that it was or may be a subspecies of the red-backed reds...