Siblings Zac and Crispin, each of the endangered Sumatran selection, had been watched by their mother and father Gaysha and Asim as they performed with floating balls within the water on the zoo.
The cubs will flip one later this month and might be seen by animal lovers because the centre opens its summer season night occasions for the season.
London Zoo tiger keeper John Ho mentioned: “The pond was crammed with leaves and barkchip over the cooler winter months, however now that summer season has arrived we’ve reworked it again to a swimming pond for the cubs to study to swim.
“In contrast to most felines, tigers love water and make glorious swimmers due to their webbed paws.
“It’s been wonderful to see Crispin and Zac practising their swimming expertise for the primary time – one thing that guests to our first Zoo Nights night this Friday ought to be capable of spot too, as we reckon the cubs will profit from the anticipated heatwave!”
Tigers are crepuscular, which implies they’re most lively at daybreak and nightfall. Guests to the Zoo Nights occasions, which begin on Friday, will be capable of see a special facet to the tiger household.
The adult-only occasions additionally function talks and garden video games, with all proceeds supporting ZSL’s science and conservation work throughout the globe.
Sumatran tigers are the world’s rarest subspecies of the massive cat, with solely 300 estimated to be left within the wild.
“These lovely large cats are sadly threatened by unlawful searching, in addition to habitat destruction of their native Indonesia,” Mr Ho mentioned.
He added: “The Sumatran tigers at London Zoo are a part of an essential world breeding programme for the species, designed to guard and increase their numbers, whereas the Zoological Society of London, the worldwide conservation charity behind London Zoo, works to guard tigers and different threatened species.”
Zoo Nights shall be held each Friday between June 9 and July 28. Go to www.londonzoo.org