In Tokyo, there are unapproachable "lost islands" where unspoiled environs cradle rich wildlife. Sofugan is a 100-meter-high solitary rock pillar standing in the ocean 650km south of the capital city's center. Remote and difficult to access, it had never been explored in detail. A group of scientists and engineers set out on a two-year survey. This program records their journey, along with the creatures they discover - from unusual species amongst the rugged rocks to mysterious marine life in the surrounding deep sea.
Zebra stripes vary subtly between the different species but there is one group of animals that has evolved colourful patterns of seemingly infinite variety, the butterflies. In this episode David looks at two examples of animal patterns that have bedazzled and baffled science for a long time, and uses modern tools to unlock their secrets.
Formed during a cataclysmic volcanic eruption two million years ago, Tanzania's Ngorongoro Crater is home to the highest concentration of mammals in the world. Explore this vibrant ecosystem and the extraordinary geological features that have made it a haven for biodiversity.
David Schwimmer meets some of the strangest creatures on Earth. Komodo Dragons are excellent swimmers who have migrated far from the Komodo Islands in the past. Without the need for any males to reproduce, and one single female could potentially populate an entire island on her own.
Slip through millennia-old caves in the Yucatan Peninsula of Mexico. These spooky, labyrinth-like places were considered magical as early as the Mayan era. Plus you can hitch a ride with sucker fish, dodge gigantic ocean devil fish and be entranced by the dance of a majestic 6-metre long manta ray.