Recent photos taken show the six-month-old Asiatic lion cubs, Mitaali, Keshari and Kushanu.
They were born at Edinburgh Zoo in August last year and staff at the wildlife conservation charity said the playful cubs are spending more time outside as they continue to grow and become more confident.
1. Naming the cubs
Following a public poll in November last year, thewildlife conservation charity named the youngstersMitaali, Keshari and Kushanu in tribute to the Gir forest in western India where the endangered species is found
2. The species of lion
The Asian lion differs from the African lion in several ways. Asian lions are generally smaller than their African cousins, and the males do not develop such a substantial mane, so their ears are more visible
3. Future generations
She was chosen as the best match for Jay due to her genetic characteristics, as it is extremely important to conserve the genetics of the species, enabling the future generations to be possibly reintroduced back into the wild if the need arises.
4. Mum and dad?
Roberta (mum) was selected to be paired with resident male Jayendra (dad) through the European Endangered Species Programme, which is run by a Species Coordinator and is supported by experts at other zoos across Europe.