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← Nature & AnimalsWhich risk increases among cliff-nesting seabirds, like kittiwakes, during periods of high wind and increased wing plumage loading?
A)Increased susceptibility to parasitic infestations
B)Elevated clutch failure due to egg cooling
C)Accelerated muscle fatigue during soaring flight
D)Higher incidence of traumatic structural feather fracture✓
💡 Explanation
Higher loading when winds increase stress requires higher mechanical strength; traumatic barbs fracture occurs from stress. Consequently, feather structure failure is dominant, because muscle fatigue (C) requires extended period or lack of nutrients, rather than immediate excessive force burden .
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