
Scientists studied the impact of noise from low-flying military aircraft on the behavior and well-being of an uncommon lizard, the Colorado checkered whiptail (Aspidoscelis neotesselatus). This was done at the Fort Carson US military Installation near Colorado Springs, where Apache, Chinook, and Blackhawk helicopters regularly fly over, and occasionally transport aircraft and F-16 fighter jets fly over the whiptails’ habitat.
The results are published in Frontiers in Amphibian and Reptile Science. The authors emphasized that the study couldn’t have been done without the active cooperation of the US Army.
The results show that the Colorado checkered whiptail reacted to flyover noise by increasing their level of blood cortisol and ketones, indicative of a stress response that rapidly mobilizes more energy resources. Females with more developing eggs tended to have a higher increase in cortisol, indicating that reproductive females may be more susceptible to noise disturbance.
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