Sky Nature HD Wednesday

An unusual colony of penguins on the south-western tip of Africa, driven there by human interference on their island homes

The Luangwa River's two-mile meander is a busy spot. It's home to hippos, is a crucial crossing for elephants and a place for buffalo to quench their thirst

The unlikely alliances that Zambia's wild animals sometimes form when protecting their young, finding food and beating predators

Vet Arga sets out to rescue a newly orphaned orangutan from a remote village, and the release candidates embark on the 24-hour journey back into the wild

The documentary about the Luangwa Valley considers how the life of every animal is linked to the vastly different seasons - the wet and the dry

Life in the savannahs is ruled by water, so when harsh drought conditions prevail during the long dry season, waterholes become a coveted, crowded place