In some parts of Western Australia, hairdressing toads were found throughout the day, even though the toxic pest was usually nightmare.
It is believed by the dreaded amphibians are active at night in Australia to avoid heat.
But Kimberley has sandstone gorges, some of which offer plenty of shade to provide a more comfortable environment.
Just a few miles away, at exposed sites, the other toad populations remain nightly.
Macquarie scientist Simon Clulow said that it was surprising that this kind changed such fundamental behavior.
"This suggests that toad toads are especially good at changing environmental behavior, something known as behavioral plasticity that could help invasive spread into new environments," he said.
The team looked at the cane near the El Questro Wilderness Park invasion from 2013 until 2015.
Using remote cameras at eight sites, the scientists watched the activity of the toad and cut off some of those who were active during the day and examined their eating habits.
Leading author Sean Doody of the University of South Florida, St. Petersburg, said the team found the toads that were active during the day, more likely to have fled the observer than the night toads.
"This increased caution could be because they are more at risk from predators at night or more prominent on predators during the day," he said.
It is not known whether toads were preferably active during the day or whether the change was beneficial.
Australian Associated Press