Marine Mammal Headquarters

The following animals are considered EXTINCT by the International Union for Conservation and Natural Resources (IUCN): -TSF-

THREAT LEVEL: EXTINCT IN THE WILD animals

The following animals are considered EXTINCT by the International Union for Conservation and Natural Resources (IUCN): -TSF-

THREAT LEVEL: critically endangered animals

The following animals are considered CRITICALLY ENDANGERED by the International Union for Conservation and Natural Resources (IUCN): -TSF-

THREAT LEVEL: endangered animals

The following animals are considered ENDANGERED by the International Union for Conservation and Natural Resources (IUCN): -TSF-

THREAT LEVEL: vulnerable animals

The following animals are considered VULNERABLE by the International Union for Conservation and Natural Resources (IUCN): -TSF-

THREAT LEVEL: near threatened animals

The following animals are considered NEAR THREATENED by the International Union for Conservation and Natural Resources (IUCN): -TSF-

THREAT LEVEL: least concern animals

The following animals are considered LEAST CONCERN by the International Union for Conservation and Natural Resources (IUCN): -TSF-

THREAT LEVEL: data incomplete on these animals

The following animals have insufficient enough research to fully determine their vulnerability and are classified as DATA INCOMPLETE by the International

Gray whale (Eschrichtius robustus)

Gray whales are mysticetes, or baleen whales. Gray whales are the only species in the family Eschrichtiidae. These large whales

Striped Dolphin (Stenella coeruleoalba)

Striped dolphins are some of the most abundant and widespread dolphins in the world. These dolphins can reach lengths of

Crabeater Seal (Lobodon carcinophagus)

Crabeater seals are the most numerous of the world's seals. There are millions of crabeater seals. After the pups are

What is the world’s most endangered seal?

The Mediterranean monk seal is a phocid or “true” seal, and is the rarest and most endangered of all pinnipeds

Hector’s Beaked Whale (Mesoplodon hectori)

PHYLUM: Chordata CLASS: Mammalia ORDER: Cetacea FAMILY: Ziphiidae GENUS: Mesoplodon SPECIES: hectori TOOTHED or TOOTHLESS (BALEEN): Toothed FRESHWATER, SALTERWATER or

Amazonian manatee (Trichechus inunguis)

PHYLUM: Chordata CLASS: Mammalia ORDER: Sirenia FAMILY: Trichechidae GENUS: Trichechus SPECIES: inunguis TOOTHED or TOOTHLESS (BALEEN): Toothed FRESHWATER, SALTERWATER or

1 2 3 … 86 Next »

Blainville’s Beaked Whale (Mesoplodon densirostris)

Blainville's beaked whales, sometimes known as the "dense-beaked whale," are little known members of the beaked whale family (Ziphiidae). As

Hear killer whale accents and dialects

RESIDENT, TRANSIENT, or OFFSHORE Vocalizations of the three killer whale ecotypes, the fish-eating (resident) killer whale, the mammal-eating (transient)

What is the difference between a fish, shark, and whale?

By Blaise Jones When you look at a fish, a shark, and a whale, you might think that they are

Skeleton comparison of spinosaurus aegyptiacus and typical penguin

Was The Prehistoric Penguin An Apex Predator?

By Scott A. Rowan The penguin thrashed the shark, eating most of it whole, but it was still hungry. So

Is it OK to eat sharks?

By Blaise Jones Sharks have been harvested and eaten all over the world throughout human history. Many cultures rely heavily

True’s Beaked Whale (Mesoplodon mirus)

True's beaked whales have a relatively small to medium-sized body with a moderately short beak, as well as a rounded

1 2 3 … 86 Next »

RELATED STORIES: