We reported here the basic data on habitat,group size,diet component,egg size and incubation,predators,and current status of Tetraophasis obscurus in Mao County,Sichuan Province,China.Most of birds are activity in groups with of 3 to 5 individuals in shrubs.They often make sharp calls just before raining.Plant leaves,flowers,seeds,and roots are the major diet components for the birds.Nest is located either on ground or in trees,clutch size ranges from 3 to 5 with an average of 4.2 eggs.Chicks came out after 27-28 day of incubation and only females take the duty.The population size has been relatively stable during the past twenty years due to the effective protection.