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nature

Some of the interesting geological formations seen from Lands End were once hills in a vast plain that extended 27 miles past the current California coastline.
San Francisco rocks! The fascinating history behind Bay Area geology

San Francisco’s most unique and interesting attribute might be the Bay Area’s geology.

Golden Gate Raptor Observatory intern Kirsti Carr.
On life and raptors: Intern's lessons learned in a year atop Hawk Hill

After a few minutes of listing bird qualities, Kirsti Carr stops herself and laughs. “I love everything about birds,” she admits. “They’re just weird!” 

Lands End overlook with views of the Golden Gate Bridge.
New San Francisco Crosstown Trail: Tips for making beautiful connections

The wonderful idea of the newly unveiled San Francisco Crosstown Trail is to make one big link, from Candlestick Point to the Presidio and Lands End, so you can walk or bike from one end of the city all the way to the other.

Small blue butterfly with two rows of white-rimmed black dots on the underside of its wings, drinking from a flower
Lupine and butterfly nets: Step-by-step on how we're helping save endangered Mission blue butterfly

A look at the painstaking work that goes into preserving habitat for the federally endangered Mission blue butterfly.

Box steps challenge hikers along the Batteries to Bluffs Trail
Hit the Trail: How to find dolphins, digger bees on the western edge of the Presidio

Welcome to our new Hit the Trail feature! We’ll go in-depth on one of our park sites and get you ready to explore.  First up: The western edge of the Presidio.

Three people stand on a hillside overlooking the Golden Gate Bridge
What does caring for the parks really mean?

Caring doesn’t happen everywhere; some jobs are a means to an end, or summer flings. They must have meaningfulness to create a sense of care in the worker.

Banana slug spotted at Rancho Corral de Tierra.
California banana slugs: Fun facts about our vibrant, terrestrial molluscs

The California banana slug is one of San Mateo County’s most iconic species. These animals need moisture, shade, and decomposing plant and animal material for consumption. 

Oak forests on Mount Tamalpais.
Building resilient forests to face climate change, sudden oak death, and wildfire

How can we brace forest ecosystems against rising temperatures, deadly pathogens, and voracious wildfires? At One Tam’s latest Science Summit, scientists and community members gathered to exchange knowledge and brainstorm solutions.

A group of four high school students stand in a line outdoors while leading a presentation about the natural environment
Finding Urban Nature

A 2-day workshop utilizing “Finding Urban Nature: An Educators’ Guide to Exploring San Francisco Natural History.”