A magpie in Newcastle, Australia, has started mimicking the sounds of fire engines.

In New South Wales, Australia, the sirens from emergency vehicles are so frequent a magpie has started copying them.

With fires raging across the state, the bird was reacting to what was going on around it.

Local man Gregory Andrews filmed the bird mimicking the sound of sirens in Newcastle and posted it on a Facebook page called Australian Native Birds.

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FACEBOOK An Australian magpie has been caught on camera mimicking the sound of emergency vehicle sirens as the bushfire crisis continues in Australia.

"OK, this is one of the coolest things ever.

"Today I met an Australian magpie in Newcastle NSW which had learned to sing the calls of fire-engines and ambulances," Andrews captioned the video.

The video's been shared more than 2000 times since being posted on Boxing Day.

"Remarkable, proof of the intelligence of these birds. I also see a Magpie, mimicking a fire siren in the Newcastle area, as a symptom of climate change. A metaphorical version of a 'canary in a coal mine'," wrote Paul Richards on the original post.

However, as the crisis continues, a naval ship has docked just outside of Mallacoota to evacuate some of the thousands of people who remain trapped at the remote coastal town in the Australian state of Victoria.

The HMAS Choules is capable of carrying about 700 passengers, but about 4000 people remain stranded around the town's beach area, including about 1000 locals.

There are warnings the blazes could go on for weeks, and they were "not like other bushfires", where communities could begin the process of rebuilding once they had passed through and the fire was out.

There have been seven deaths since Monday.

More than 1298 homes have been lost, while 3.6 million hectares have been burnt this fire season in NSW.