He's known for his love of all animals great and small.
And now, Robert Irwin has come to the rescue for a tiny mouse that was drowning in a hotel swimming pool in South Africa.
In a heartwarming video shared to his social media account on Saturday, the 20-year-old wildlife warrior pulled the little creature to safety after it was struggling to keep its head above water in the pool.
He appeared to perform his mission of mercy during a break from his duties co-hosting I'm A Celebrity...Get Me Out of Here! in the jungle.
In the clip, Robert made a small makeshift habitat for the mouse, which was no bigger than a thumb, and found food for it to eat.
Robert Irwin has shared a heartwarming video in which the Wildlife Warrior can be seen coming to the rescue of a tiny mouse after he found it drowning in a swimming pool. Pictured: Robert and the lucky mouse
He also admitted he did not know what the animal was at first.
'He [the mouse] was definitely exhausted and waterlogged and he definitely needed a helping hand to get back on his feet,' Robert told his followers.
He also revealed that his niece Grace has named the mouse Pegasus.
Loading the clip to his Instagram on Saturday, Robert can be seen plucking the minute animal from the water. The fan favourite performed his mission of mercy during a break from his duties hosting I'm A Celebrity ...Get Me Out of Here in South Africa.
Robert's comments on his post were filled with gushing words from fans congratulating the conservationist on his rescue effort.
'Love little Pegasus, Robert you have a kind and beautiful heart,' wrote Robert's folks back home at Australia Zoo.
'That mouse won the lottery having an Irwin notice struggling in a pool,' messaged another follower.
Fan were impressed with Robert's rescue effort
In the clip Robert can be seen making a little habitat for the mouse, which is no bigger than a thumb, and finding it food to eat.
Meanwhile, one South African fan offered up some local knowledge.
'He's what we call a jumping field mouse,' they explained.
'Oh for the love of everything good, that is the sweetest thing I have seen in a long time,' commented another fan about Robert's heroic act.
Robert is currently abroad to co-host Channel 10's I'm a Celebrity...Get Me Out of Here! alongside comedian Julia Morris.
I'm A Celebrity Australia continues on Sunday at 7.30pm on Channel 10.
The little creature bounced back after receiving some tender loving care
