Researchers said that could mean fewer 'date nights,' which could affect reproduction.
As temperatures rise in the North, scientists say it's affecting how Arctic ground squirrels hibernate — and it could have serious consequences for the species.
"If this continues, females are going to be ready to mate with males before males are physiologically able to mate with females," said senior author Cory Williams, assistant professor in the department of biology at Colorado State University, who has been studying Arctic ground squirrels for more than 15 years. Williams said because male squirrels end hibernation early, they are less responsive to environmental cues than females.
However, it's not all bad news. It could also mean squirrels will not have to use as much stored fat and energy during hibernation. Beginning foraging earlier could also lead to healthier offspring.
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