Invasive Golden Mussels Upend Life in the Delta One year after the discovery that golden mussels had invaded the Delta, thick colonies coat boats and piers and threaten water supplies for cities and ...

The San Francisco Bay Area is home to thousands of insect species, from ladybugs overwintering in your walls to hawk moths mistaken for hummingbirds to glowworms lighting up East Bay hillsides after ...

Many people, including Doug McConnell himself, would say he led a charmed life. And he did, but it came to a close in January ...

The San Francisco Bay Area is one of the most biodiverse regions in North America, home to hundreds of bird species, rare mammals, and wildlife found nowhere else on earth. Bay Nature has been ...

To celebrate our 25th anniversary, we compiled the definitive guide to Bay Area hiking, from beginner-friendly walks to multi-day backcountry routes. In partnership with AllTrails. Bay Nature’s events ...

The parrots of San Francisco have ancestors from two species that hail from two completely separate parts of South America.

An overhead view of the Sargent Ranch property, also called Juristac by the Amah Mutsun Tribal Band. (Teddy Miller, courtesy of POST) In January, Peninsula Open Space Trust (POST) purchased a ...

When development and human infrastructure encroach on the natural territory of wild animals, and human-wildlife interactions increase, the result is often a proliferation of injured and orphaned ...

A funny thing happened in 2000. And again in 2003. For the first and second time in recorded history, a southern resident killer whale entered the waters of Monterey Bay.

During the rainy months, when trails often become too muddy for easy walking, consider taking an urban hike. In San Francisco, a new edition of Stairway Walks in San Francisco ...