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Latest Cetaceans Stories

Massive Peru Dolphin Die-off Not Linked To Seismic Surveys
2012-05-24 11:44:44

A study by an environmental group that suggested explosions from oil exploration were to blame for the deaths of nearly 900 dolphins off Peru´s coast has been refuted by the government on Wednesday, which said the dolphins died of natural causes. At least 877 dolphins have died since the start of the year. According to Fisheries Minister Gladys Triveno, Peru´s Maritime Institute (IMARPE) found the massive die-off was not the result of lack of food, hunting, poison, contamination,...

Newly Discovered Organ Could Explain Size, Eating Habits Of Some Whales
2012-05-24 07:48:43

Scientists with the Smithsonian Institution and the University of British Columbia (UBC) have discovered a new sensory organ in the rorqual family of whales -- a discovery which sheds new light on their unique feeding behavior and explains why they grow to such massive sizes. The US and Canadian biologists involved in the study located the organ at the tip of the chin of blue, humpback, minke and fin whales, contained within a batch of ligaments connecting the lower jaw bones, according to...

Study Compares Mercury Levels In Wild vs. Captive Dolphins
2012-05-23 04:44:45

Researchers from Johns Hopkins University and the National Aquarium have completed a study, funded by the National Aquarium and by the Center for Contaminant Transport Fate and Remediation at The Johns Hopkins University, which compared the mercury levels of captive dolphins and wild dolphins. Captive dolphins are fed a diet of small fish from the North Atlantic, while the wild dolphins eat aquatic creatures that have potentially higher mercury levels. The researchers discovered that the...

2012-05-10 09:43:55

Hearing health, animal communication, volcanic noise, and more The latest news and discoveries from the science of sound will be featured at Acoustics 2012 Hong Kong, May 13-18, a joint meeting of the Acoustical Society of America (ASA), Acoustical Society of China, Western Pacific Acoustics Conference, and the Hong Kong Institute of Acoustics. Experts in acoustics will present research spanning a diverse array of disciplines, including medicine, music, speech communication, noise, and...

2012-05-10 09:38:20

Estimates of whale population size based on genetics versus historical records diverge greatly, making it difficult to fully understand the ecological implications of the large-scale commercial whaling of the 19th and early 20th centuries, but a comparison of DNA samples from modern and prehistoric gray whales supports the idea that the population was substantially larger pre-whaling and saw a sharp, recent decrease that is consistent with whaling as the cause. The full results are reported...

2012-05-09 21:06:12

Military patrol dogs with your keen sense of smell, step aside. The U.S. Navy has enlisted the biological sonar and other abilities of bottlenose dolphins and California sea lions to protect harbors from enemy swimmers, detect explosives on the seafloor and perform other tasks. An article in the current edition of Chemical & Engineering News (C&EN) focuses on the Navy's health program for marine mammals and how it may also help keep people healthy. C&EN Associate Editor Lauren...

Rave Drug Believed To Have Killed Dolphins
2012-05-09 04:40:47

Brett Smith for RedOrbit.com The grisly deaths of two dolphins at a Swiss theme park is shrouded in mystery and accusations as investigators attempt to determine what exactly killed Shadow and Chelmers, two of the park´s biggest aquatic attractions. According to various media reports, the dolphins died five days apart in November of last year while swimming in their tank at Connyland Marine Park in Switzerland. Their deaths occurred shortly after the space next to their tanks was...


Latest Cetaceans Reference Libraries

Cetology
2013-10-02 11:21:29

Cetology is a branch of marine mammal science that studies about eighty species of dolphins, whales, and porpoise, all of which are classified within the Cetacea order. Cetologists, who practice cetology, work to understand the distribution, development, behavior, and other aspects of cetaceans. The study of cetaceans began in the Classical era. About 2,300 years ago, Aristotle documented details about some cetacean species, calling them mammals, while traveling on the Aegean Sea with...

North Atlantic Right Whale, Eubalaena glacialis
2013-08-26 11:17:56

The North Atlantic right whale (Eubalaena glacialis), also known as the black right whale or the northern right whale, is one of three right whales in the Eubalaena genus. It can be found in a small population of about 396 individuals in the western North Atlantic. If it does occur in the eastern North Atlantic, experts assert that it only numbers in the tens, making it nearly extinct in that area. This species migrates into the western North Atlantic to feed in the spring, summer, and fall...

Southern Right Whale, Eubalaena australis
2013-06-22 16:13:36

The southern right whale (Eubalaena australis) is a species of baleen whale that can be found in different regions in the summer and winter seasons. During the summer, it can be found in the Southern Ocean, possibly near Antarctica. During the winter, populations disperse into many warmer areas to breed, including waters near Chile, Argentina, New Zealand, South Africa, Peru, Namibia, Brazil, Australia, and Madagascar, among other areas. Right whales were first classified by Carolus...

Pygmy Killer Whale, Feresa Attenuata
2013-01-30 15:25:51

Image Caption: Fossil of Feresa Attenuata, Shimonoseki Marine Science Museum KAIKYOUKAN, Japan. Credit: OpenCage/Wikipedia (CC BY-SA 2.5) The pygmy killer whale is widely distributed in tropical and sub-tropical waters worldwide. Regular sightings of this species occur off the coast of Hawaii and Japan, and also in the Indian Ocean near Sri Lanka and Lesser Antilles. In the Atlantic the pygmy killer whale has been seen off the coast of South Carolina and Senegal. This species swims in...

Crabeater Seal, Lobodon carcinophagus
2012-06-26 14:40:11

The crabeater seal (Lobodon carcinophagus) is a true seal that can be found around the whole of Antarctica. Its range also includes small areas in South America, New Zealand, Africa, and Australia. It resides on the pack ice zone for the entire year, even as it shifts seasonally, and prefers to stay in the continental shelf area in water with a depth of less than 1,968 feet. Because the populations are so wide spread and are sufficiently mixed, there have been no subspecies found. Because...

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Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.