A KANGAROO on the loose in the Melbourne Airport carpark has been rescued by wildlife officers.

Airport spokeswoman Anna Gillett confirmed the marsupial had been tranquilised and loaded into a wildlife rescue van.

Ms Gillett said wildlife officers had inspected the animal and confirmed it was an eastern grey roo.

"It’s about 30kg which would make it about three-years-old," Ms Gillett said.

It had damage to its nails and would need to be monitored.

Ms Gillett said the roo had been on the pedestrian bridge leading to the terminal and moved to the carpark about 7am.

Rangers arrived just before 9am where police and airport staff had managed to corner the animal in one section of the carpark.

"There are a number of kangaroos around the airport and some living on the land,” Ms Gillett said.

"It is very unusual for them to get into the carpark though."

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It’s the second kangaroo to make its way into the airport carpark in the last couple of months.

On October 21 last year a kangaroo made it to level five of the carpark before it was sedated by a ranger.

The last interloper was dubbed the “Qantas kangaroo” and cared for at a nearby shelter before being released back into the wild.