Wildlife Species of San Francisco Bay Area

Elephant Seal - Mirounga angustirostris


California Gull - Larus californicus


Pacific Tree Frog - Pseudacris regilla

Mammals

The Bay area is home to a variety of mammals ranging from common ones like the California Ground Squirrel to rare ones like the San Joaquin Kit Fox. It includes land mammals like the Black-tailed Deer, marine mammals like the Harbor Seal and flying ones like bats. There are over 50 species.  ...more 

Birds

The bird life found here includes varieties and numbers that are astounding. The excellent wetland habitat provided by the bay itself supports a wealth of waterfowl. Over a 100 species of birds can easily be found here and dedicated birders have seen over 250.  ...more 

Reptiles

Reptiles of the area include a variety of snakes, lizards and the Western Pond Turtle. This includes rare and endangered species like the Alameda Striped Racer (Alameda Whipnake).  ...more 

Amphibians

Amphibian variety found here includes frogs, toads, and salamanders.  ...more 

Fish

Fish variety found here includes sharks, rays, other oceanic fish, salmon, and other freshwater fish.  ...more 

Insects

Butterflies are the stars of the insect world but you can also find a fascinating variety of other insects like dragonflies, mayflies, beetles, bees, ants and grasshoppers.  ...more 

Butterflies

Butterflies are the stars of the insect world and over a 150 species of butteflies and moths can be found here.  ...more 

Spiders

There is not a lot of information available about local spiders. Spiders are not insects, they are arthropods but come under the general moniker "bugs".  ...more 

Endangered and Rare Species

We are fortunate (or unfortunate, depending on your point of view), to have a number of species which are rare and threatened with extinction. Some of them are holding their own in smaller numbers while others are declining in the face of many threats like habitat loss and pollution.  ...more 

Other Species

There are several interesting species which do not fit into any of the more familiar and popular groups. These are collected in a page of their own. They are all invertebrates.  ...more