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← Nature & AnimalsWhich risk increases for migratory birds when artificial nighttime skyglow obscures celestial cues?
A)Thermoregulatory stress during daylight hours
B)Increased susceptibility to parasitic infection
C)Spatial disorientation during night flight✓
D)Elevated metabolism during active foraging
💡 Explanation
Spatial disorientation increases because celestial navigation relies on identifying star patterns for direction; the mechanism involved is celestial imprinting. Therefore flight paths become erratic, rather than maintaining proper thermoregulation due to light or boosting parasite susceptibility.
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