Frequent surveys from August 2012 to July 2013 in temperate forest of Mandal valley of district Chamoli resulted in identification of 83 bird species belonging to 59 genera, 26 families and 7 orders. Order Passeriformes dominates all other orders by representing 18 families. Marked variations were observed in seasonal species occurrence. The maximum number orders observed in the month of February, March, April and June (7 orders in each) followed by January, July, August, September, October and November (6) and December with minimum (4). Sub-continental and current status also observed during study period. Species diversity and relative abundance of bird species on the east and west aspects were noticed almost identical over the year and show seasonal variation.