This aft at Trib C Markham - 2 southbound Pectoral SPs - also present : 2 Lesser yellowlegs and least SPs & about 60 Killdeer : Cave swallow[s] plus 1 adult Lesser black- backed gull in the huge congregation of gulls which constitutes a fraction of the Markham gull population : Trib C lies just south of Hwy 7 on Reesor Road 2km east of the Ninth Line in Markham - Stan Long
