A Bat Brigade of volunteers has been helping collect data at the “bat castle,” watching when bats leave their roosts to forage.

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A Bat Brigade of volunteers has been helping collect data at the “bat castle,” watching when bats leave their roosts to forage.
NatureCheck assesses East Bay habitat by looking at indicator species like ground squirrels, rainbow trout, hoary bats and golden eagles. You can help!
Annual surveys show East bay streams continue to support native fish, including Sacramento pikeminnow, Pacific lamprey, and rainbow trout.
Pay your respects to the Lord of the Burrows—the California ground squirrel—on whose fate many other creatures depend.
The COVID-19 pandemic has put bats in the headlines. Now’s the time to learn about their essential role in Bay Area ecology and how to live alongside them.
Eight bat species live in the East Bay parks.