TV Guide for Now Friday 9 in Sky Nature

A look at some of the predators living in the natural habitat of Australia's Great Barrier Reef, starting with the Tiger shark. Scientists uncover the secrets of these powerful predators and their vital role.

The Pacific coast of Costa Rica hosts nearly 5,000 species of marine life. But in this undersea jungle, the apex predator sharks are at risk.

Despite a worldwide pandemic, wildlife emergencies keep coming in. As critical team members quarantine, how will the team get through the busy spring season?

Part two of two. The secrets behind animals' group games, from dolphins that play catch to a hyena tug of war, revealing the benefits they gain from their playful behaviour. The programme examines how breaching the rules of a game can have fatal consequences - but how it also presents an opportunity for animals with a rigid hierarchy to break down social barriers.

Woolly monkey Piquita requires an emergency operation and newly arrived capuchin Louis finds a perch. Meanwhile, there is a double blow for the chimp team with two sad losses.

Alison visits Twycross Zoo to collect an orphaned orangutan in need of a new home. Also, there is startling news about a recently rescued pet trade capuchin.

In a unique part of the African coast, manta ray researcher Andrea Marshall hopes to conduct the first ray expedition within South Africa's borders.

A documentary about the largest groundwater reservoir in Europe, which forms an underground river in the Upper Rhine Valley. Underwater cameraman Serge Dumont capture footage of the inhabitants of this biotope.

Liz Bonnin discovers how plastic pollution is affecting seabirds, encounters a bison and learns how climate change is impacting bears and beavers.

The journey along the Mekong Delta reaches its end, where it fans out into the South China Sea via nine channels, creating habitats for a variety of animals.

Diving into the great floodplains that lie along the Drava River, areas that are at risk of intense seasonal flooding, before exploring the wetlands of Kopacki Rit.

Woolly monkey Piquita requires an emergency operation and newly arrived capuchin Louis finds a perch. Meanwhile, there is a double blow for the chimp team with two sad losses.

Alison visits Twycross Zoo to collect an orphaned orangutan in need of a new home. Also, there is startling news about a recently rescued pet trade capuchin.

In a unique part of the African coast, manta ray researcher Andrea Marshall hopes to conduct the first ray expedition within South Africa's borders.

The natural wonders of Slovenia, from Mediterranean olive groves to snow-capped peaks, as well as wildlife such as brown bears and the world's largest trout.

Liz Bonnin discovers how plastic pollution is affecting seabirds, encounters a bison and learns how climate change is impacting bears and beavers.

The journey along the Mekong Delta reaches its end, where it fans out into the South China Sea via nine channels, creating habitats for a variety of animals.

Diving into the great floodplains that lie along the Drava River, areas that are at risk of intense seasonal flooding, before exploring the wetlands of Kopacki Rit.

Woolly monkey Piquita requires an emergency operation and newly arrived capuchin Louis finds a perch. Meanwhile, there is a double blow for the chimp team with two sad losses.

Alison visits Twycross Zoo to collect an orphaned orangutan in need of a new home. Also, there is startling news about a recently rescued pet trade capuchin.

Documentary following the work of dedicated staff at the RSPCA Hospital in Brisbane, Australia.

Amanda tries to help a snared hyena, while the team's plan to release a troop of monkeys is thwarted by last-minute surgery and some very crafty escape artists.

Diving into the great floodplains that lie along the Drava River, areas that are at risk of intense seasonal flooding, before exploring the wetlands of Kopacki Rit.

The journey along the Mekong Delta reaches its end, where it fans out into the South China Sea via nine channels, creating habitats for a variety of animals.

From opportunistic pirate ships, to well-armed navy vessels, the history of Mexico's Yucatan Peninsula is explored.

Part two of two. The secrets behind animals' group games, from dolphins that play catch to a hyena tug of war, revealing the benefits they gain from their playful behaviour. The programme examines how breaching the rules of a game can have fatal consequences - but how it also presents an opportunity for animals with a rigid hierarchy to break down social barriers.

Documentary following the work of dedicated staff at the RSPCA Hospital in Brisbane, Australia.

Amanda tries to help a snared hyena, while the team's plan to release a troop of monkeys is thwarted by last-minute surgery and some very crafty escape artists.