at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit Dunnock Dunnock Dunnock Derwent Dam Derwent Dam Mystery bird Kings Tree end of Howden Reservoir at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit at Snake Summit