Category:Natural history of California by region

• Fauna of California by region‎ (10 C)

C

• Natural history of the California Coast Ranges‎ (2 C, 842 P)
• Natural history of the Central Valley (California)‎ (8 C, 305 P)
• Natural history of the Channel Islands of California‎ (1 C, 267 P)
• Natural history of the Colorado Desert‎ (1 C, 195 P)

E

• Ecology of the Great Basin‎ (6 C, 6 P)

L

• Natural history of the Lower Colorado River Valley‎ (3 C, 13 P)

M

• Natural history of the Mojave Desert‎ (2 C, 502 P)

P

• Natural history of the Peninsular Ranges‎ (616 P)

S

• Natural history of the San Francisco Bay Area‎ (11 C, 334 P)
• Natural history of the Santa Monica Mountains‎ (345 P)
• Ecology of the Sierra Nevada (United States)‎ (4 C, 5 P)

T

• Natural history of the Transverse Ranges‎ (611 P)