Navy sonar resembles the noises used by orcas when they are tracking...
It may not be as well known as the Amazon, but the Atlantic Forest of Brazil has everything from rare monkeys to maned sloths and deserves to be rediscovered.
Hot, heady and unforgettable, the Amazon is the world’s mightiest river, but its wildlife can be elusive unless you know where to look.
One of the few remaining unexplored frontiers of tourism, Guyana is South America’s biggest little secret. Sophie Stafford saw this pint-sized paradise of pristine rainforest through the eyes of the native Amerindians.
They’re large and they hunt in packs, so giant otters ought to be easy to study. Sophie Stafford put her tracking skills to the test in Brazil’s Pantanal.