The Team > Alex Hirth
Alex Hirth
Staff Biologist

Alex Hirth is an experienced biologist specializing in terrestrial and vegetation community monitoring. While at Sequoia, Alex has been providing support on various on-call projects, including conducting protocol surveys for Swainson’s hawk, burrowing owl, and California tiger salamander. He has also provided biological monitoring for several northern California species, including Alameda whipsnake, California tiger salamander, California red-legged frog, Santa Cruz long-toed salamander, nesting birds, and numerous listed plants. He is a USFWS-approved biological monitor for California red-legged frog and Alameda whipsnake


Alex has provided biological support in more than 30 counties within the state. His ability to adapt to rapidly changing construction schedules and work plans, while also ensuring permit compliance and resource protection, has made him one of Sequoia’s top biological monitors.




156 Diablo Road, Suite 320

Danville, CA 94526



2110 K Street, Suite 11

Sacramento, CA 95816



125 S. Highway 101, Suite 101

Solana Beach, CA 92075