Vaquitas (Phocoena sinus) are record-holders among all cetaceans. Thus, these animals are the smallest cetaceans, meanwhile being the smallest porpoises; they have the smallest range; and finally, vaquitas are the most critically endangered cetacean...
The Green sea turtle (Chelonia mydas) is a species of large sea turtle of the family Cheloniidae. The common name of this species refers to the usually green fat found beneath its carapace, not to the color of its carapace, which is olive to black....
The North Pacific right whale (Eubalaena japonica ) is a very large, thickset baleen whale species that is extremely rare and endangered. The Northeast Pacific population, which summers in the southeastern Bering Sea and Gulf of Alaska, may have no...
The Santa Catalina rattlesnake (Crotalus catalinensis ) is a species of venomous pit viper endemic to Isla Santa Catalina in the Gulf of California just off the east coast of the state of Baja California Sur, Mexico. No subspecies are currently...
The California least tern, Sternula antillarum browni, is a subspecies of least tern that breeds primarily in bays of the Pacific Ocean within a very limited range of Southern California, in San Francisco Bay and in northern regions of Mexico. This...
Mearns's squirrel (Tamiasciurus douglasii mearnsi ) is a subspecies of the Douglas squirrel endemic to Mexico. It is endangered and occurs in low densities, and is threatened by habitat loss. It is possibly also threatened by competition from the...
Oryzomys peninsulae, also known as the Lower California rice rat, is a species of rodent from western Mexico. Restricted to the southern tip of the Baja California peninsula, it is a member of the genus Oryzomys of family Cricetidae. Only about...
Haliotis cracherodii, the black abalone, is a species of large edible sea snail, a marine gastropod mollusk in the family Haliotidae, the abalones.This species is relatively small compared with most of the other abalone species from the eastern...
The Angel Island chuckwalla (Sauromalus hispidus ), also known as the spiny chuckwalla, is a species of chuckwalla lizard belonging to the family Iguanidae endemic to Isla Ángel de la Guarda (Guardian Angel Island) in the Gulf of California. The...
The San José brush rabbit (Sylvilagus bachmani mansuetus ) is a critically endangered subspecies of the brush rabbit, in the family Leporidae.
The giant sea bass (Stereolepis gigas) is a fish native to the North Pacific Ocean. Although commonly referred to as a giant sea bass, black sea bass or giant black sea bass, it is actually a wreckfish in the family Polyprionidae rather than in the...
The Baja California rock squirrel (Otospermophilus atricapillus ) is a species of rodent in the family Sciuridae. It is endemic to Baja California, Mexico.
Dickey's deer mouse (Peromyscus dickeyi ) is a species of rodent in the family Cricetidae. It is endemic to Mexico, being found only on a small island in the Gulf of California. The species is named for Donald Dickey, who sponsored the expedition...
Burt's deer mouse (Peromyscus caniceps ) is a species of rodent in the family Cricetidae. It is endemic to Mexico, where it is found only on Montserrat Island off the east coast of Baja California Sur. The species is threatened by predation by feral...
The Margarita Island kangaroo rat (Dipodomys merriami margaritae ) is a subspecies of rodent in the family Heteromyidae.It is endemic to Mexico, where it is found only on Isla Santa Margarita of Magdalena Bay, Baja California Sur. The natural...
The San José Island kangaroo rat (Dipodomys merriami insularis ) is a subspecies of rodent in the family Heteromyidae. It is endemic to Mexico, where it is found only on San José Island off the east coast of Baja California Sur. (Dipodomys merriami...
The green sturgeon (Acipenser medirostris) is a species of sturgeon native to the northern Pacific Ocean, from China and Russia to Canada and the United States.
