Deb Collins, of animal services organisation WIRES, said the Christmas period generally led to an increase of roadkill.

"People are often travelling more on country roads, roads they don't know and at times that they are most likely to encounter wildlife, [especially around] dusk and dawn," she said.

"Increased traffic and people rushing often lead to greater levels of road incidents with wildlife."

Ms Collins said people should take extra care, particularly over the Christmas period, as it was peak mating season.

"If you hit an animal you should stop to render assistance if safe to do so," she said.

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Motorists are advised to remove roadkill off roads and away from the edge of roads, if it's possible to do safely.

"Many animals such as kangaroos and wombats can cause significant damage to your vehicle during a collision and can sometimes render your vehicle undriveable," Ms Collins said.

"Driving cautiously, particularly at peak times for wildlife movement and slowing down in known wildlife hotspots, can not only help prevent death or injuries to wildlife but avoid serious accidents and unwanted damage to your vehicle."

Residents who come across injured wildlife are being asked to take action, as opposed to letting them suffer and die.

"If it is safe to do so, please contain the animal. Do not approach snakes, monitors, flying foxes and microbats, large macropods (kangaroos and wallabies) or raptors (eagles, falcons, hawks). These animals require specialist handling," Ms Collins said.

"If you are unfortunate enough to hit a large macropod or wombat, if safe to do so, stop to assist. Observe from a distance, if the animal is still alive, report immediately to WIRES.

"For a deceased animal, check if it is female and if so, check the pouch for a joey. A joey can survive for many days in the pouch of its deceased mother so it is important to check. If still attached to the teat, contact WIRES for advice on how to remove it. If not, carefully remove the joey - do not pull by the legs - and place in a blanket, jumper, towel or pillowcase."

Ms Collins said it was critical residents got professional treatment for sick and injured wildlife as quickly as possible.

"Most vets take wildlife free of charge. If you can, call the vet to let them know you are coming," she said.

"If you are unable to transport it to a vet, contact the WIRES 24-hour rescue hotline on 1300 094 737."