Bushfires, a warmer than average winter and a greater appreciation for wildlife could be reasons for this.

More rainfall and milder conditions has meant migration has started to happen a month earlier than normal, ACT government senior environmental planner Michael Mulvaney said.

"We had flowers out in autumn when normally they are not flowering until spring, some lilies and daisies, and that meant there was pollen and other resources for insects and birds were feeding on those insects," he said.

"The conditions in terms of the rain and the milder winter has meant that sort of change from winter to spring is happening a bit earlier this year, which is why we are seeing more wildlife now perhaps than what we are used to."

Wildlife that lived in habitats ravaged by the summer bushfires had also sought refuge in the city. Dr Mulvaney said this was evident with wildlife from Namadgi National Park and south-east NSW.

He said birds had sought places to feed and a prime example was the glossy black cockatoo. Sightings of the bird are rare in Canberra but has increased since the bushfires. In fact, Dr Mulvaney said the last time glossy black cockatoo sightings were as high was after the 2003 Canberra bushfires.

"Now we have had those fires elsewhere we are starting to see them again," he said.

Recently, there have been glossy black cockatoo sightings in Stirling, Mount Majura and Karabar.

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Glossy black cockatoos live in drier forest areas and coastal and open inland woodlands - areas devastated by the summer bushfires. In Canberra, its feeding and breeding areas are on Mount Majura and Mount Ainslie, but even then it is rare to see the bird.

The glossy black cockatoo is at risk of becoming extinct in the ACT region.

While wildlife had been out and about, Dr Mulvaney said it may be perceived due to people spending more time at home.

"I think people are getting better at noticing and observing wildlife and seeing what is out there," he said.

"A lot of that wildlife has always been there it's just that people's eyes are more open to it.

"People are training their eyes and looking more closely."