![]() ![]() To assess the impact on the pups the researchers put radio collars on pregnant females and followed them back to the nests. With babies on the way and what seemed to be a lot of new noisy neighbours threatening to gobble up the food supply, the scientists found the females’ stress hormone, called glucocorticoid, started to climb. Then he and his colleagues studied the impact on females that were already pregnant when the racket started. In this case stress is incredibly good as it essentially prepares the babies for the environment they are going to experience This created the illusion that there had been an invasion of new squirrels. He strung loud speakers in the spruce trees and started broadcasting the “rattles” or territorial calls of other squirrels throughout the day. ![]() This advertisement has not loaded yet, but your article continues below. Manage Print Subscription / Tax Receipt. ![]()
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