The travel web has been lit up with this achingly cute video of penguins, apparently holding hands. Or, er, flippers.

It seems people can't get enough of the 16 second clip.

Twitter user freakingdani's post came from her aunt's recent trip to South Africa. The video was too good to keep to herself and since being shared to Twitter on July 2, it has clocked up almost 4million views.

Don't say she never brings back anything nice!

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There's only one species of penguin indigenous to Africa, known as "Jackass" penguins. This is probably because they are better known for their less-than-cute behavior, with their call described as sounding like a "braying donkey."

They can be found hopping around the cape of South Africa and Namibia.

Boulders Beach in Cape Town is a marine reserve for the penguins and is home to at least 3000 of the little black and white birds.

While they aren't usally known to go for long strolls on the beach, hand-in-hand, they are extremely romantic penguins.

The species mate for life. More than that, they have strong parental bonds. Both penguins share responsibilities for incubating eggs and while looking after the brood, will take it in turn to fish for food. Talk about teamwork!

Penguins have extremely complex social structures within their flocks, though all species tend to pair together - even sometimes as same sex couples.

In 2012, a flock of Humboldt Penguins at Wingham Wildlife Park in the UK were left with an unusual predicament. Though there was a severe imbalance of male to female penguins, a chick had been abandoned by one of the breeding pairs.

Fortunately, all male duo Jumbs and Kermit stepped in to adopt the abandoned chick, acting as foster parents.

Good job Jumbs and Kermit!