Describes the inhospitable habitats of snow and ice. Mount Rainier in America is an example of such a place: there is no vegetation, therefore no herbivores and thus no carnivores. However, beneath its frosty surface, algae grow and some insects, such as ladybirds visit the slopes. Africa’s mountains are permanently snow-covered, and beneath peaks such as Kilimanjaro and Mount Kenya, there are communities of plants and animals.
The Lake Erie water snake, once on the brink of extinction, now looks to be rebounding--thanks mainly to the invasive goby fish that's wreaking havoc on the Great Lakes ecosystem. Can scientists studying this environmental anomaly find a healthy ecological balance?
Winter is here. Ready or not, creatures big and small endure the harshest and most unforgiving season on the planet. Some cling to life in these bitter months…while others see opportunity on the ice. In this special, wildlife around the globe fights tooth and nail to survive the winter season, against a striking frozen backdrop.
2017 • Nature
From the dangerous tarantulas on the forest floor to the high flyers in the canopy, spiders thrive on every level of this tropical rainforest. Starting on the ground and working the way up to the top, visit with and learn about a few of the 46 thousand species of spiders.
2018 • Nature
Scientists around the world are asking themselves the same questions. Over the decades the focus on dolphin research has changed from asking “how intelligent are dolphins?” to “how are dolphins intelligent?” and we look at research from the world's foremost dolphin experts for the answers.
The Luangwa Valley in Zambia experiences one of the toughest dry seasons imaginable. Seven months with no rain and spiralling temperatures. And with this year’s El Nino conditions the drought is threatening to be even more intense than usual.