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Several factors threaten beluga whales, including a changing climate, noise from ocean vessels, commercial fishing practices, pollution and habitat destruction, according to the National Oceanic and Atmospheric Administr... More »

www.reference.com Pets & Animals Mammals Marine Mammals

There are numerous endangered species in the ocean, many of which are whales and turtles. Some notable examples are the blue whale, sperm whale, Kemp's ridley turtle and hawksbill turtle. There are also some plants liste... More »

www.reference.com Pets & Animals Marine Life

There are about 78 types or species of whales, though this number ranges from 78 to 90 depending on the source. This group, called cetaceans, includes dolphins and porpoises, as well as whales. More »

www.reference.com Science Biology Zoology
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Although as of 2014 humpback whales are no longer listed as Endangered by the International Union for Conservation of Nature, major threats to their populations include fishing gear entanglement, collisions by ships, imp... More »

www.reference.com Pets & Animals Mammals Marine Mammals

Numerous factors have combined to reduce the number of blue whales in the world, but the whaling industry was the most important single cause of the whales’ decline. Whaling was big business in the early 20th century, an... More »

www.reference.com Pets & Animals Mammals Marine Mammals

Sea turtles are endangered for many reasons including population decline from human activities such as poaching, commercial fishing and illegal trade, along with climate change, pollution and erosion. These ocean creatur... More »

www.reference.com Pets & Animals Reptiles Turtles

Killer whales are endangered due to a number of threats, including oil spills, bio-accumulation of PCB and other contaminants, noise pollution, collisions with ships, entanglement in fishing gear, shootings by fishermen,... More »

www.reference.com Pets & Animals Marine Life