Sky Nature Sunday

Across the continent, spring brings warmth and renewal. For some animals, courtship rituals begin to heat up as battles for dominance break out

A look at the summer months, which give animals the chance to reap nature's rewards, especially parents challenged with raising new offspring

As autumn begins, change sweeps across America. It's make-or-break time for the animals that have their preparation put to the test before the cold sets in

As plunging temperatures bring nature into winter, some animals flee south to find milder climes. But others are determined to tough out the brutal cold

A newborn whale draws its first breath and then preparation begins for one of the longest migrations on the planet

Tensions rise as breeding season nears for the squirrel monkeys. With enemies closing in, dominant female Alba must find her alpha male suitor

An orphaned Andean bear must learn to fend for herself in Peru's mountains. Ageing male Tongo has no time for females who play hard to get

A curious raccoon sticks his head a little too far into a peanut butter jar on a sweltering summer day in Toronto. See how the team gets him out of this sticky situation

The rescue crew pays a house call to a sleepy horse barn where a fox with an irritating skin condition is staying up in an old stall

A flock of cedar waxwings takes over the centre's aviary and keeps the staff busy with endless demands for food

The rescue team undertakes a madcap chase after a red-tailed hawk - he can't fly, but he can certainly run. Plus, rare albino squirrel recovers from being unwell

Part one of two. The lives of three rival species, lions, leopards and cheetahs, revealing the strategies each has evolved to coexist in their shared world

Part two of two. The cheetah cubs make a difficult decision and a scary encounter forces leopard mum Sephiri choose between her old family and her new cubs

Following the journey of orphaned elephants at Reteti Elephant Sanctuary, the first community-owned and operated elephant sanctuary in Africa

The unique abilities of Rio the sea lion. Reared in captivity in California, the animal performed better in a series of logical tests than some humans

Dr Irene Pepperberg details the abilities of Griffin, a parrot capable of performing tasks previously thought to be exclusive to humans and monkeys

Following polar bears hunting for seals, macaques bathing in natural hot springs, and Arctic foxes trying out a unique survival strategy

The broadcaster explores the Galapagos Islands in the Pacific, beginning with how the archipelago rose from the ocean four million years ago

The broadcaster reveals how life learned to adapt quickly in an ever-changing volcanic landscape, resulting in such unique species as giant whale sharks and marine iguanas

The broadcaster reveals the differences between the islands and encounters giant Pinta Island tortoise Lonesome George, who died a few weeks after filming

Following the journey of orphaned elephants at Reteti Elephant Sanctuary, the first community-owned and operated elephant sanctuary in Africa

The unique abilities of Rio the sea lion. Reared in captivity in California, the animal performed better in a series of logical tests than some humans