Sydney-An Australian tree frog appears to have made an unlikely friend, as it poses on a branch in Indonesia with a snail on its head. 

The pair were caught on camera in a small park in Jakarta by a photographer who documented the strange sight.

The frog seemed nonplussed about its new companion, as it perched calmly on the tip of the branch.

Photographer Andri Priyadi says the snail had climbed onto the frog’s head just moments before the photographs were taken.

The snail appears to be peering over the top of the frog into its eyes, and images show the ‘snail trail’ on its back. 

It’s not the first time Mr Priyadi has captured the curious friendship on camera - less than a year ago the 31-year-old photographer captured a similar moment between a tree frog and a snail in his garden.