San Mateo County, CA
County19919 species observed across 7 groups · Pop. 762.5K
Ecoregions
Species observed
Increased Seasonal Activity
Currently Flowering
Birds· 856 species
Mammals· 230 species
Plants· 7830 species
Reptiles & Amphibians· 195 species
Fish· 411 species
Insects· 8161 species
Other Invertebrates· 2236 species
Fungi & Lichens
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Part of
StateCaliforniaPop. 39.5MCities in San Mateo County
Belmont, CAPop. 28.3KBurlingame, CAPop. 31.3KDaly City, CAPop. 104.9KEast Palo Alto, CAPop. 29.9KFoster City, CAPop. 33.7KHalf Moon Bay, CAPop. 11.8KHillsborough, CAPop. 11.4KMenlo Park, CAPop. 33.7KMillbrae, CAPop. 23.1KPacifica, CAPop. 38.5KRedwood City, CAPop. 83.9KSan Bruno, CAPop. 43.7KSan Carlos, CAPop. 30.6KSan Mateo, CAPop. 105.7KSouth San Francisco, CAPop. 65.9K