endangered species

The Florida grasshopper sparrow was near extinction only a few years ago. The recent release of the 1,000th captive-raised sparrow into the wild has rekindled optimism.

Sparrows were taken into captivity after numbers dwindled – and this week experts released 1,000th bird back into wild

Project 84,000 is intended to depict the number of steelhead and trout that died in a massive fish kill in the drought-stricken Cowichan River on southern Vancouver Island last year.

A group of scientists taught an algorithm to spot beaver ponds in satellite imagery, which has the potential to help drought-ridden areas like California bounce back.

Despite the taboo and illegal nature of killing orangutans, researchers heard evidence of a direct killing from at least one person in 30 per cent of 79 villages surveyed in Indonesia’s Kalimantan region.

A federal government decision to reverse course on issuing an emergency order for the northern spotted owl has angered the British Columbia First Nation that asked for the protection of the endangered species.

The population has declined dramatically over the past 100 years. In the early 20th century, it is thought that there were probably several million breeding pairs. Today, fewer than 11,000 breeding pairs remain.

A Nova Scotia biologist battled his former provincial colleagues to protect the province's mainland moose from extinction — and he may have succeeded.

Scientists just figured out that thousands of air-quality stations have been accidentally gathering invaluable DNA data on local organisms.

As wildfires from coast to coast scorch large swaths of forest, sometimes changing it irreversibly, experts have zeroed in on an often overlooked casualty of the blazes: wildlife.

Scientists are increasingly seeing evidence of “dark extinction” in museum and botanical garden collections.

Misguided introduction of alien predators saw partula snails driven from their habitat — but zoos have reared new populations.

A tiny Hawaiian island is finally free of invasive rats. Now scientists are trying to coax back lost seabird colonies.

Jakarta is congested, polluted, prone to earthquakes and rapidly sinking into the Java Sea. Now the government is in the process of leaving, moving Indonesia’s capital to the island of Borneo.

In a desperate effort to save a seabird species in Hawaii from rising ocean waters, scientists are moving chicks to a new island hundreds of miles away.