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San Leandro Bay

Ecosystem Overview

The San Leandro Bay ecosystem supports 100 documented wildlife species across 73 taxonomic genera. Located in alameda county, california, this area provides critical habitat with diverse natural communities. The location hosts 21 frequently observed species and 19 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. This location ranks #15 for species diversity among 33 alameda county County natural areas, placing it in the 55th percentile for biodiversity.

Biodiversity Highlights

100
Total Species
Documented wildlife species
73
Genus Diversity
Taxonomic genera represented
51
Common Species
Frequently observed species
49
Rare Species
Occasionally documented species
#15
Regional Rank
Out of 33 locations

Species Distribution

Very Common21 species
Common30 species
Occasional30 species
Rare19 species

Regional Context

Regional Ranking
#15 of 33 locations
55th percentile for diversity
vs. Oakland
0% species diversity

Most Common Species

Showing 20 most frequently observed species out of 100 total documented species.

Aythya marila

Aythya marila

greater scaup

Very Common59 obs.
Tringa semipalmata

Tringa semipalmata

Willet

Very Common58 obs.
Bucephala clangula

Bucephala clangula

common goldeneye

Very Common54 obs.
Oxyura jamaicensis

Oxyura jamaicensis

Ruddy Duck

Very Common44 obs.
Bucephala albeola

Bucephala albeola

Bufflehead

Very Common43 obs.
Podiceps nigricollis

Podiceps nigricollis

black-necked grebe

Common40 obs.
Melanitta perspicillata

Melanitta perspicillata

Surf Scoter

Common33 obs.
Rallus obsoletus

Rallus obsoletus

Ridgway's Rail

Common33 obs.
Podilymbus podiceps

Podilymbus podiceps

Pied-billed grebe

Common32 obs.
Limosa fedoa

Limosa fedoa

Marbled Godwit

Common30 obs.
Larus occidentalis

Larus occidentalis

Western Gull

Common30 obs.
Larus delawarensis

Larus delawarensis

Ring-billed Gull

Occasional28 obs.
Podiceps auritus

Podiceps auritus

horned grebe

Occasional28 obs.
Fulica americana

Fulica americana

American Coot

Occasional24 obs.
Aythya affinis

Aythya affinis

Lesser Scaup

Occasional23 obs.
Spatula discors

Spatula discors

Blue-winged Teal

Occasional21 obs.
Egretta thula

Egretta thula

Snowy Egret

Occasional21 obs.
Himantopus mexicanus

Himantopus mexicanus

Black-necked Stilt

Rare20 obs.
Recurvirostra americana

Recurvirostra americana

American avocet

Rare20 obs.
Larus californicus

Larus californicus

California Gull

Rare19 obs.

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No comparable locations found in this region.

Nearby Wildlife Areas in Alameda County

Discover 8 other wildlife-rich locations near San Leandro Bay. Each offers unique biodiversity and wildlife viewing opportunities.

Regional Wildlife Network

These nearby locations complement San Leandro Baywithin Alameda County's wildlife network. Species counts reflect documented observations and help identify the most biodiverse areas for your nature explorations.

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