Plague-wary Londoners tolerated mischievous red kites and ravens for their services to the city's sanitation.
Nutrients and energy contained within dead animals are repurposed and repackaged into living, breathing insects.
Death is a natural part of ecosystems. But it's unusual for a large number of animals to all die at once. Researchers are investigating how a mass mortality event affects what's left afterwards.
A new study involving leaving animal carcasses strewn across Tasmania shows that in places where devils have dwindled, other scavengers are stepping up to fill the gap, with nasty knock-on effects.