These enormous moths are nature’s masterpieces. Learn which species are the largest and what makes each one so extraordinary.

Full-grown Red-Tailed Black Cockatoos have a wingspan of about 39 inches, or 1 meter. So, while they might not be as large as ...

Europe’s wilderness hides some surprisingly large and powerful birds. This countdown explores seven species that stand out ...

To find out, Elena Tena, a biologist at Doñana Biological Station in Seville, Spain, and her colleagues attached ultra-light ...

Michigan's largest birds are preparing to head south for the winter, but before they go, they're gathering in fields and marshes across the state. In celebration of the annual gathering and migration, ...

Birds are the closest living relatives of dinosaurs, not crocodiles. Modern birds evolved from theropod dinosaurs. They ...

A rare 'near threatened' wader bird has been spotted in the nature reserve of the region. The sighting of the Curlew was ...

Moths do not always look like moths! We introduce you to some genius moths that look like something else entirely and explain ...

The other day, a Northern California-based bird-watching group embarked on what they thought was going to be a regular boat ...

The elusive and illustrious California Condor is making a major comeback in the San Francisco Bay Area, stretching its wings ...

These movements into Alameda County, and even Contra Costa County, are the first to be documented in over 100 years.” ...

Above hedges and hop fields, an immense silhouette slipped across the Wealden sky, lifting binoculars and eyebrows in equal ...