Brazil's coast stretches from the temperate waters of the south to the equator and beyond.

Brazil's coast stretches from the temperate waters of the south to the equator and beyond.

The grassland region is Brazil's least-known habitat, defined by fires and dramatic thunderstorms.

The grassland region is Brazil's least-known habitat, defined by fires and dramatic thunderstorms.

Coatimundis are comical-looking creatures with their long noses and banded tails. But appearances can be deceptive – coatis are extremely efficient hunters.

Coatimundis are comical-looking creatures with their long noses and banded tails. But appearances can be deceptive – coatis are extremely efficient hunters.

As the Pantanal switches from grassland to swamp and back, jaguar and caiman rule in turn.

As the Pantanal switches from grassland to swamp and back, jaguar and caiman rule in turn.

The harpy eagle is the world's biggest bird of prey, but smaller creatures have far greater impact.

The harpy eagle is the world's biggest bird of prey, but smaller creatures have far greater impact.