The Blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. It is the largest animal known to have ever existed. The Blue whale was once abundant in nearly all the Earth's oceans until the end of the 19th century. It was hunted...
The Sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean. They are the heaviest members of the weasel family, but among the smallest marine mammals. Unlike most marine mammals, the sea...
The Fin whale (Balaenoptera physalus) is a cetacean belonging to the parvorder of baleen whales. It is the second-longest species of cetacean on Earth after the Blue whale. American naturalist Roy Chapman Andrews called the fin whale "the greyhound...
Named for its whooping sound, the Whooping crane (Grus americana) is the tallest North American bird. The elegant Whooping crane represents one of the most well-known conservation stories in the United States and thus has captured the public...
The Sei whale (Balaenoptera borealis) is a baleen whale, the third-largest rorqual after the Blue whale and the Fin whale. It inhabits most oceans and adjoining seas and prefers deep offshore waters. The whale's name comes from the Norwegian word...
The Wood turtle (Glyptemys insculpta) is a semi-aquatic species of turtle endemic to North America. It spends a great deal of time in or near the water of wide rivers and spends the winter in hibernation and the hottest parts of the summer in...
Blanding's turtle (Emydoidea blandingii) is a semi-aquatic turtle native to North America. It is considered to be an endangered species throughout much of its range. Blanding's turtle is of interest in longevity research, as it shows little to no...
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 boreal woodland caribou (Rangifer tarandus caribou ), also known as woodland caribou, boreal forest caribou and forest-dwelling caribou, is a North American subspecies of reindeer (or caribou in North America) found only in Canada. Unlike the...
The freshwater pearl mussel (Margaritifera margaritifera ) is an endangered species of freshwater mussel, an aquatic bivalve mollusc in the family Margaritiferidae.Although the name "freshwater pearl mussel" is often used for this species, other...
The spotted turtle (Clemmys guttata ), the only species of the genus Clemmys, is a small, semi-aquatic turtle that reaches a carapace length of 8–12 cm (3.1–4.7 in) upon adulthood. Their broad, smooth, low dark-colored upper shell, or carapace,...
The whale shark (Rhincodon typus) is a slow-moving, filter-feeding carpet shark and the largest known extant fish species. The largest confirmed individual had a length of 18.8 m (61.7 ft). The whale shark holds many records for size in the animal...
The marbled murrelet (Brachyramphus marmoratus ) is a small seabird from the North Pacific. It is a member of the auk family. It nests in old-growth forests or on the ground at higher latitudes where trees cannot grow. Its habit of nesting in trees...
The basking shark (Cetorhinus maximus) is the second-largest living shark and fish, after the whale shark. It is one of three plankton-eating shark species, along with the whale shark and megamouth shark. Typically, basking sharks reach 7.9 m (26...
The Vancouver Island marmot (Marmota vancouverensis ) naturally occurs only in the high mountains of Vancouver Island, in British Columbia. This particular marmot species is large compared to some other marmots, and most other rodents. Marmots as a...
The shortfin mako (; Māori: /ˈmaːko/; Isurus oxyrinchus), also known as the shortfin mako shark, blue pointer, or bonito shark, is a large mackerel shark. It is commonly referred to as the mako shark, as is the longfin mako shark (Isurus paucus)....
The Virginia big-eared bat (Corynorhinus townsendii virginianus ) is one of two endangered subspecies of the Townsend's big-eared bat. It is found in Virginia, West Virginia, North Carolina, and Kentucky. In 1979, the US Fish and Wildlife Service...
The sand tiger shark (Carcharias taurus), gray nurse shark, spotted ragged-tooth shark or blue-nurse sand tiger, is a species of shark that inhabits subtropical and temperate waters worldwide. It inhabits the continental shelf, from sandy shorelines...
The European eel (Anguilla anguilla) is a species of eel. They are critically endangered due to overfishing by fisheries on coasts for human consumption and parasites.
The Indian yellow-nosed albatross (Thalassarche carteri ) is a member of the albatross family, and is the smallest of the mollymawks. In 2004, BirdLife International split this species from the Atlantic yellow-nosed albatross; however Clements has...
The eastern small-footed bat (Myotis leibii ) is a species of vesper bat. It can be found in southern Ontario and Quebec in Canada and in mountainous portions of the eastern United States from New England to northern Georgia, and westward to...
The American eel (Anguilla rostrata) is a facultative catadromous fish found on the eastern coast of North America. Freshwater eels are fish belonging to the elopomorph superorder, a group of phylogenetically ancient teleosts. The American eel has a...
The Banff Springs snail (Physella johnsoni ) is a species of small air-breathing freshwater snail in the family Physidae.Based on molecular research, it appears that Physella johnsoni separated out as a species from Physella gyrina about 10,000...
Haliotis kamtschatkana, common name the northern abalone or pinto abalone, is a species of large sea snail, a marine gastropod mollusc in the family Haliotidae, the abalones.It has been listed as "Endangered" by the IUCN Red List of Endangered...
The lake sturgeon (Acipenser fulvescens), also known as the rock sturgeon, is a North American temperate freshwater fish, one of about 25 species of sturgeon. Like other sturgeons, this species is a bottom feeder and has a partly cartilaginous...
Cynoscion is a genus of marine ray-finned fishes belonging to the family, Sciaenidae, the drums and croakers. These fishes are found off the coasts of North and South America in the western Atlantic and eastern Pacific Oceans. Many fishes in this...
The school shark (Galeorhinus galeus) is a houndshark of the family Triakidae, and the only member of the genus Galeorhinus. Common names also include tope, tope shark, snapper shark, and soupfin shark. It is found worldwide in temperate seas at...
The Acadian redfish (Sebastes fasciatus), also known as the Atlantic redfish, Acadian rockfish, or Labrador redfish, is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae. It is...
Epioblasma triquetra, common name the snuffbox mussel, is a species of freshwater mussel, a mollusk in the family Unionidae. It is native to eastern North America, where it is a listed as an endangered species in both Canada and the United States.
The northern riffleshell (Epioblasma torulosa rangiana ), is a subspecies of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.This subspecies is endangered.This species was formerly found widely in the Ohio...
Epioblasma torulosa, commonly called the tubercled blossom, is a species of freshwater mussel, a mollusk in the family Unionidae. It is native to eastern North America, where it is considered endangered in both Canada and the United States.
The shortspine thornyhead (Sebastolobus alascanus), also known as the channel rockcod, shortspine channel rockfish or spinycheek rockfish, is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the...
The great northern tilefish (Lopholatilus chamaeleonticeps) or golden tile, is the largest species in the family Malacanthidae (tilefishes). It grows to a length of between 38 and 44 inches (970 and 1,120 mm). The great northern tilefish is a...
The American plaice, American sole or long rough dab (Hippoglossoides platessoides) is a North Atlantic flatfish that belongs, along with other right-eyed flounders, to the family Pleuronectidae. In the northwest Atlantic (H. p. platessoides) it...
The Gulf sturgeon (Acipenser oxyrinchus desotoi) is a subspecies of sturgeon that lives in the Gulf of Mexico and some rivers draining into it. The Gulf sturgeon was first recognized as a separate subspecies in 1955. The nominate subspecies is the...
The bocaccio rockfish (Sebastes paucispinis) is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae, It is found in the northeast Pacific Ocean.
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.
Villosa fabalis, the rayed bean, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Obovaria subrotunda, common name the round hickorynut, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
The Atlantic whitefish (Coregonus huntsmani) is a coregonine fish inhabiting some freshwater lakes within Nova Scotia, Canada. It is known to survive only in the Petite Rivière watershed as landlocked populations. Earlier it was also found in the...
Coryphaenoides rupestris is a species of marine ray-finned fish in the family Macrouridae. Its common names include the rock grenadier, the roundnose grenadier and the roundhead rat-tail. In France it is known as grenadier de roche and in Spain as...
Lepidurus packardi, the vernal pool tadpole shrimp, is a small, rare species of tadpole shrimp (Notostraca) found in temporary ponds of the western United States.
