A new study conducted by the University of the Sunshine Coast suggests that the endangered male northern quolls, a rare marsupial species, are facing extinction due to excessive mating and a lack of sleep.
The researchers found that male quolls are so desperate to mate that they are willing to forgo sleep, which is causing their health to fail after just one season.
The study’s senior lecturer, Dr. Christofer Clemente, says that this is linked to sleep deprivation and the traits associated with it such as weight loss, aggression, and recklessness, which are not present in females.
To study the behaviour of the quolls, the researchers fitted backpacks with trackers to the animals roaming around Groote Eylandt. The lead author, Joshua Gaschk, found that the males tended to move around more and were less vigilant than females.
The research also found that two males named Moimoi and Cayless traveled around 10 km in one night. However, this prolonged sleep deprivation made them vulnerable to predators and unable to avoid vehicle collisions or death from exhaustion.
Gaschk hopes that this research will help scientists understand the broader effects of sleep deprivation on marsupials. He believes that if male northern quolls forgo sleep to the detriment of their survival, they will become an excellent model species for understanding the effects of sleep deprivation on body function.
The findings could help to prevent the extinction of this unique species and improve our understanding of the importance of sleep for animal health and survival.
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