There are twice as many tigers in the US as there are in the wild.
On one of the world's most remote islands, a species of duck has learned to scavenge on dead seals.
Each B&B is a green sanctuary for pollinators, containing pollinating plants and shelters like beehives and nesting boxes.
Millions of Americans feed wild birds, especially in winter and spring. Studies show that this can influence birds' health and behavior in surprising ways.
Scientists hope to learn what makes certain red squirrels able to survive squirrelpox.
These Aussie diggers boost the health of our soils. But up until recently, we didn't know just how much soil they can turn over (hint: it's a lot).
Should scientists keep both species genetically-separate and 'pure', even if that risks extinction?
North America's prairies once were home to millions of wild animals. Today, most of that land is farmed or developed, but some grasslands have never been plowed and could be rewilded.
In the absence of animals to help larger trees reproduce, forests are suffering.
Major new 'State of Nature' report shows wildlife numbers still falling but conservation measures can work.
Don't be afraid of spiders – be afraid for spiders
Fewer than 1,000 Siamese crocodiles exist, but can captive crocs survive again in the wild?
The world mourns the loss of Malaysia's last male Sumatran rhino. Can anything stop the slide of the species towards extinction?
The Victorian grassland earless dragon may well be the first lizard species driven to extinction on Australia's mainland. But conservationists aren't ready to declare it dead just yet.
Household rat poison is endangering caracals, and other wildlife species in Cape Town, that prey on poisoned rodents. If not managed, this can negatively alter the region's ecosystem.
Trophy hunting is not the solution to Africa’s wildlife conservation challenges. There are other ways.
In Europe, biodiversity is under threat. But three major trends mean we're still optimistic.
At an international summit in Egypt this month, nations will hopefully make progress towards recognising the economic value of wildlife and other environmental assets.
Conservation surveillance can generate fear and anger among local people.
Climate change is shrinking Arctic sea ice and opening the region to ship traffic. Whales, seals and other marine mammals could be at risk unless nations adopt rules to protect them.