A Backup Plan for the Delta Smelt
The search for a backup plan as the Delta Smelt nears extinction in the wild.
Wildlife
The Disappearing Language of Sparrows
San Francisco white-crowned sparrows have their own dialects. As the city gets louder, those dialects are disappearing.
Finding New Words for Nature
Northern California naturalist David Lukas' latest book encourages people to "take back" nature by creating a new lexicon for natural phenomena.
Naturalist’s Notebook: Meet the Hammerhead Worm
The alien in your back yard is a large, invasive, predatory land planarian.
Q&A With the Proprietor of the ‘Ladybug Hotel’
Jeremy Brautman describes the feeling of a "loveliness" of ladybugs, and explains how he decided to try and help the loveliness along.
Brown Pelicans Show Breeding Failure
About 100 California Brown Pelicans made an unusual appearance on the old wooden dock on the south side of Alameda Point. But only one of the pelicans could be identified...
Bay Nature Staff Picks: Signs of the Season
Here are some of our staff's favorite signs of winter in the Bay Area.
Beetlemania: When All the Lady Beetles Come Together Now
Scientists aren't sure why convergent ladybugs huddle together during the winter.
Is That Bright Red-Orange Butterfly Supposed To Be in the Bay Area?
A San Francisco reader wonders about the bright orange-red butterfly he recently spotted in his backyard.
A Festival of Cranes
Riding the autumn winds, the sandhill cranes are returning to the California Delta.
