It was revealed that Billy""s theft of raptor eggs had helped provoke some of the previous attacks.In their retreat to a boat dock, the group passed through an aviary bird-cage/dome filled with threatening flyingPteranodons.Recovering her poise, the snooty, rebuffed and humiliated lady huffs back up he hill with her ineffectual escort at her side, while Irene is intrigued and looks on with amusement.When he revived, he raced on foot through the woods toward his cabin, entered and tried to escape through multiple doors and hallways from he evil forces before hiding under a trap door.Before it, other war films in the silent era had done very well: King Vidor""sThe Big Parade (1925), Raoul Walsh""sWhat Price Glory? (1926), and William Wellman""sWings (1927).