B
- Baird’s Beaked Whale
- Beradius bairdii
- Balloonfish (Spiny Porcupine Fish)
- Diodon holocanthus
- Banded Sea Krait
- Laticauda colubrina
- Bat Ray
- Myliobatis californica
- Binturong
- Arctictis binturong binturong
- Black Perch
- Embiotica jacksoni
- Black-bellied Plover
- Pluvialis squatarola
- Black-necked Stilt
- Himantopus mexicanus
- Black-tailed Jackrabbit
- californicus
- Blacksmith
- Chromis punctipinnis
- Blacktip Reef Shark
- Carcharhinus melanopterus
- Blue Whale
- Balaenoptera musculus
- Bluefin Trevally
- Caranx melampygus
- Bluespotted Jawfish
- Opistognathus rosenblatti
- Bonnethead Shark
- Sphyrna tiburo
- Bowmouth Guitarfish
- Rhina ancylostoma
- Brown Bear
- Ursus arctos spp
- Bufflehead
- Bucephala albeola
- Bull Shark
- Carcharhinus leucas
- California Barracuda
- Sphyraena argentea
