A video has emerged from Algonquin Provincial Park in Canada of a moose saving her calf from drowning.

In the clip the mother and calf go for a swim in a lake when the calf suddenly becomes trapped on a fallen log.

The mother tries to reach her struggling offspring form the bank but can't quite get to it.

With time running out the mother moose swims out to the exhausted calf and manages to coax it to the bank where it eventually clambers to safety.

The remarkable moment was caught on camera in 2015 but has only recently come to light.

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Up early one morning after hearing the Moose Cow calving, we saw the incredible sight of the calf's first swim. Halfway down the lake the calf got hung-up on downed trees and became trapped. The mother worked for over 15 minutes trying to coax the calf out of danger. With just moments left before drowning the calf turned to it's mothers call and staggered out of the water.