A cuckolded penguin completely flips out in the clip after coming back to his nest to discover the mother of his children has moved another penguin into their home.

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Forget dramatic soap storylines for entertainment, wildlife programmes are clearly where all the real action is at.

The internet has gone crazy over footage of a brutal penguin love triangle captured by the National Geographic Channel for its new Animal Fight Night series.

A penguin, whose partner ‘cheated’ on him is shown completely flipping out in the clip after returning to his nest to discover the mother of his children has moved on with another male, who is living in his home.

The betrayed penguin, seemingly outraged by his mate’s antics, challenges his rival to a fight.

However, the cuckolded penguin ends off coming off worse after a seriously bloody brawl.

The narrator explains: “Every September, 200,000 penguins come here to fix up their nests and breed.

“Life here is good, but this husband has come home to find his ‘wife’ with another penguin.

“He flips out; his strategy is simple, batter the homewrecker until he flees. Most birds have hollow bones in their wings to make them lighter for flight, but penguins don’t fly, their wings contain solid bone.

“They use them like baseball bats to club each other, delivering up to eight blows per second. Thick blubber helps protect vital organs from the pummelling.”

“She chooses the homewrecker. The husband stands to lose the mother of his children. He follows them home, this fight isn’t over yet. With the homewrecker hiding in the burrow, the only way to get to him is a beak attack.

“Penguins usually use their beaks to gouge their burrow, now, they are gouging out eyes.

“He makes one last plea to the female, but she’s got no time for losers. Defeated and humiliated, he’s left out in the cold.

“He’ll lick his wounds and move on. In a colony of nearly a quarter a million, there’s plenty more fish in the sea.”