Seals Make a Fur-ious Comeback in the Bay Area
Despite the declining global populations of this vulnerable species, northern fur seals are thriving on the Bay Area's Farallon Islands.
Wildlife
Does the Moon Phase Affect Frog Calls?
A Bay Nature reader wonders if frogs are less afraid of predators when it's a new moon.
Meet the Urban Osprey
Do these large, wild, fearsome fish predators prefer our built-up shoreline bristling with apartments, cargo ships, and manufacturing equipment? And what does it mean if they do?
How Much Should You Worry About Mountain Lion Attacks in Bay Area Parks?
Or should the mountain lions worry about us?
Are Baby Rattlesnakes the Most Dangerous Biters?
People often say baby rattlesnake bites are more dangerous than adult rattlesnake bites. Is the conventional wisdom correct?
Watching Wildlife Move Through Sonoma Valley
Science has led us to an increasing understanding of the importance of wildlife corridors. Sonoma pioneers the monitoring of a series of corridors.
Meet the “Electric Blue Tinfoil” Butterfly
One lepidopterist calls it North America's "most beautiful small butterfly." The Sonoran blue is also an indicator of weather and climate.
Charismatic Sea Ducks Seem to be Disappearing, But It’s Hard to Say Why
Are surf scoters disappearing from the San Francisco Bay? Or from the world?
Naturalist’s Notebook: How to Tell Northern California Hawks Apart
Watching distant raptors in dim light? Ignore color and look at values.
It’s the Season for Tundra Swans
How to find and identify the great birds in the Central Valley.
