Feb 10 (Reuters) - Following are the top 10 movies at North American box offices for the weekend starting Feb. 8, with "Identity Thief" at No. 1, according to studio estimates compiled by Reuters. 1 (*) Identity Thief ...........................$36.59 million 2 (1) Warm Bodies ...............................$11.5 million 3 (*) Side Effects...............................$10.0 million 4 (3) Silver Linings Playbook ...................$ 6.9 million 5 (2) Hansel & Gretel....