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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

The National Oceanic and Atmospheric Administration divides the causes of water pollution into two categories: point source pollution and non-point source pollution. Point source pollution comes from a single, identifiab... More »

www.reference.com Science Environmental Science Pollution

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

The National Oceanic and Atmospheric Administration maintains a detailed record of historical data relating to climate and weather events. Rainfall totals are among the data sets which are publicly searchable and indexed... More »

www.reference.com Geography United States The South