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Latest Marine mammals Stories

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2010-05-01 08:50:50

Conservationists use molecular data and images from space to study imperiled coastal mammals Using DNA samples and images from Earth-orbiting satellites, conservationists from Columbia University, the Wildlife Conservation Society, the American Museum of Natural History, and Fundaci³n AquaMarina, are gathering new insights about the franciscana"”a poorly known coastal dolphin species of eastern South America"”in an effort to understand populations and conserve them. The...

2010-04-29 16:45:00

Report Exposes Massive Online Sales of Wildlife Products WASHINGTON, April 29 /PRNewswire-USNewswire/ -- A new report released today reveals that internet giant Yahoo! is involved in extensive trade in whales, dolphins and elephant ivory products. The report "Yahoo! and the Trade in Whale, Dolphin and Elephant Products," which is published by the non-profit Environmental Investigation Agency (EIA) based in Washington, DC and London, UK, and documents that Yahoo! Japan is a major hub for...

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2010-03-25 07:46:16

Dolphins, whales and porpoises have extraordinarily small balance organs, and scientists have long wondered why. Now a study at Washington University School of Medicine in St. Louis has contradicted a leading theory, which held that the animals moved their heads so vigorously that they had to have smaller, less responsive balance organs to avoid overwhelming their senses. Working with a Midwestern zoo and a local rancher, the researchers, led by Timothy E. Hullar, MD, a Washington University...

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2010-02-23 12:20:00

A new study suggests that sperm whales may team up and work cooperatively to hunt down and corral their food. Scientists from the U.S. used high-tech GPS tags to study the marine mammals' astonishing hunting behaviors. The tracking equipment showed how the animals traveled together in groups, but when it came time to hunt for food, each whale took on various roles within the group. The study, led by Professor Bruce Mate from the Hatfield Marine Science Center in Oregon, used new equipment...

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2010-02-20 08:45:00

A new paper by researchers at George Mason University and the University of Otago in New Zealand shows a strong link between the diversity of organisms at the bottom of the food chain and the diversity of mammals at the top. Mark D. Uhen, a geologist at Mason, says that throughout the last 30 million years, changes in the diversity of whale species living at any given time period correlates with the evolution and diversification of diatoms, tiny, abundant algae that live in the ocean. In the...

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2010-02-01 12:50:00

In an effort to save endangered marine animals from poachers, scientists in Taiwan plan to use DNA from whales and dolphins to convict the illegal hunters. Poachers often try to hide their tracks by cutting off the heads, tails and fins of the animals. Hsia Jung-sheng, an official from the Council of Agriculture, is in a process to outsmart them by using molecular technology that can pinpoint the species of the animals. "What they don't know is that the government has set up a comprehensive...

9a4318e84e494155bfd9522956e782cb1
2010-01-06 07:40:00

Scientists are now saying that there are actually two types of killer whales living in UK waters instead of just one, as was previously thought, according to BBC News. The whales are different from each other in both the way they look and the way they eat, and the males of one type are about 6-feet longer than the other. Researchers believe the killer whales could be at an early stage of becoming two separate species. The findings have been published by the international group of...

28d6cbacd583601b9467b9d79c01f2c11
2009-12-30 06:55:00

Paper focuses on new tools to listen to sounds in the ocean Over the past decade, researchers have developed a variety of reliable real-time and archival instruments to study sounds made or heard by marine mammals and fish. These new sensors are now being used in research, management, and conservation projects around the world, with some very important practical results. Among them is improved monitoring of endangered North Atlantic right whales in an effort to reduce ship strikes, a leading...

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2009-12-17 08:50:57

Conservation success depends on understanding feeding behavior Scientists in Scotland, Canada and the US have proposed a new method to identify priority areas for whale conservation. The team's findings, published in Animal Conservation, suggest that even small protected areas, identified through feeding behavior, can benefit highly mobile marine predators such as killer whales. "There are enormous challenges associated with setting conservation priorities for such mobile and migratory...

067e12d3c074c31d96534a58ab07f3691
2009-09-25 09:02:59

When the ancestors of living cetaceans"”whales, dolphins and porpoises"”first dipped their toes into water, a series of evolutionary changes were sparked that ultimately nestled these swimming mammals into the larger hoofed animal group. But what happened first, a change from a plant-based diet to a carnivorous diet, or the loss of their ability to walk? A new paper published this week in PLoS One resolves this debate using a massive data set of the morphology, behavior, and...


Latest Marine mammals Reference Libraries

Marine Otter, Lontra feline
2012-12-28 15:09:41

The marine otter (Lontra feline) is a member of the weasel family, and can be found in South America. It prefers a habitat in rocky coastal areas, with a range that includes the entire coastline of Chile and extends to southern Peru and Argentina. It has been found on the Falkland Islands, but individuals here do not represent a constant population. Unlike other species of otter, the marine otter chooses to live near waters with high winds and swells. It may use caves and crevices as dens,...

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...

Mediterranean Monk Seal, Monachus monachus
2012-06-23 10:50:34

The Mediterranean monk seal (Monachus monachus) is a rare pinniped, or “fin-footed mammal” that can be found in areas of the Mediterranean Sea, as well as in the Atlantic waters of the Tropic of Cancer. Not much is known about the chosen land habitats of this seal, but until the 20th century, it could be seen relaxing or pup rearing on open beaches. It now dwells in underwater caves and caverns in order to escape human actions including tourism and expansion. The Mediterranean monk...

Profilicollis
2014-01-05 00:00:00

Profilicollis is a genus of acanthocephalan parasites that are found in crustaceans and shorebirds. Profilicollis parasites use decapod crustaceans as intermediate hosts and species of shorebirds as definitive hosts. The parasite first develops in mole crabs of North and South America. After it infects a mole crab, it becomes dormant until the crab is eaten by a suitable bird, such as a Surf scoter or Herring Gull. Once the parasite has passed through the stomach of the bird, it develops...

Chinese White Dolphin, Sousa chinensis chinensis (known as rare pink dolphins)
2012-05-25 11:45:30

The Chinese white dolphin, otherwise known as the Indo-Pacific humpback dolphin, is a species of humpback dolphin that can be found in the waters of Southeast Asia. When breeding, they will travel to the waters around South Africa to Australia.  There are currently two recognized subspecies of the Chinese white dolphin. The coloring of the Chinese white dolphin can vary due to age and location. When born, calves are actually black, but will change to grey, then pink with white spotting,...

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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.