The Casual Hiker
@sfhiker.bsky.social
SF-based computational biologist, hiker, nerd. All things history/prehistory, science, tech, nature, and sustainability. Also SF and California politics.
A river otter chomping on a fish at Phoenix Lake today.
October 13, 2025 at 3:30 AM
A river otter chomping on a fish at Phoenix Lake today.
Juvenile bobcat encounter on Tennessee Valley Trail.
September 14, 2025 at 4:23 AM
Juvenile bobcat encounter on Tennessee Valley Trail.