Tag: "whale" at biology news
Study in Royal Society journals presents evidence for inherited factors in homosexuality
...adova, Via Venezia 8, PADOVA, 351000, Italy Sperm whale
behaviour indicates the use of rapid echolocation click buzzes 'creaks' in prey capture by Dr PJO Miller, Dr MP Johnson and Dr PL Tyack Sperm whales produce long series of clicks interspersed with buzzes called "creaks" while foraging at depth. Usi...
Effort to control trade in great white sharks gets teeth from international community
.... Two shark species have thus far been listed: the whale
shark, the largest of all fish species, growing up to eighteen meters in length (60 feet), and the second largest fish species, the basking shark. Both species are filter-feeders, and at risk from over-fishing. Reaching some six-and-a-half meters in...
Emory study details dolphin brain evolution for the first time
...tacea and suborder Odontoceti. Many modern toothed whale
species (odontocetes) have extremely high encephalization levels possessing brains that are significantly larger than expected for their body sizes and second only to those of modern humans. "A description of the pattern of encephalization in tooth...
Humans and dolphins: If brain size is a measure, we're not that different
... Cetacea, suborder Odontoceti. Many modern toothed whale
species (Odontocetes) have extremely large brains significantly larger than expected for their body sizes and second only to those of modern humans. "A description of the pattern of encephalization [brain size] in toothed whales has enormous pot...
Scientists find missing link between whale and its closest relative, the hippo
...ut in the ice ages is the missing link between the whale
and its not-so-obvious nearest relative, the hippo...ar-old claim that molecular evidence points to the whale
as the closest relative of the hippo. "The problem with hippos is, if you look at the general shape ...
Reviewing scientists say proposed conservation measures unlikely to help whales
...) with reviewing their sanctuary program to manage whale
populations. In a Policy Forum article forthcoming...fficiently consider the migratory behavior of most whale
species, does not factor in threats to whales besides whaling, and would be difficult to evaluate on...
New DNA studies verify existence of three right whale species
...nd University of Maryland, the North Pacific right whale
has been confirmed as genetically distinct from bo...ers support the listing of the North Pacific right whale
(changed from the North Pacific population of Eubalaena glacialis to Eubalaena japonica, the North P...
Secrets of whales' long-distance songs are being unveiled
...n trying to answer these questions by listening to whale
songs and calls in the North Atlantic using the na... behavior is defined not by my scale, or any other whale
researcher's scale, but by a whale's sense of scale -- ocean-basin sized," he says. Clark, the I.P....
Scientists will discuss remarkable advances in whale research at the annual meeting of AAAS
...ecade ago by conducting the first genetic study of whale
meat sold in Tokyo food markets. Japan harvests mo...ut, Palumbi decided to analyze samples of DNA from whale
meat randomly purchased at local Japanese markets. The results, published in 1994, revealed that, in...
The secret lives of whales
...ic techniques to penetrate over a million years of whale
history dating back to the middle of the last series of Ice Ages. Using whale
samples from the Japanese meat market, where Antarctic minke whales killed for scientific research a...
Technological revolutions in sensors, robotics, and telecommunications allow new views of ocean
...s studying everything from ocean floor ecology, to whale
migrations, to seismic activity and tsunamis, will be able to conduct ocean experiments at depth. "It's going to be an era of point and click oceanography," says Bellingham. "Every time we've found a new way of working in the ocean we've made new d...
Searching the depths of the straits of Florida for disease cures
...tems, and abundant sea life, including the elusive whale
shark. Harbor Branch scientists are attracted most to its steep topography between about 300 and 3,000 feet, which suggests that they will find the rocky walls that most commonly foster diverse deep-water ecosystems. The Cay Sal Bank is located on t...
Whale bones and farm soil: Sequencing biodiversity
...of sea water, a gram of farm soil or even a sunken whale
skeleton? Scientists at the European Molecular Bio...llaborators to analyze two very different samples: whale
skeletons from the bottom of the ocean floor and soil from a farm in the USA. Sunken whale
Study reveals new technique for fingerprinting environmental samples
... a Minnesota farm and samples of several different whale
skeletons collected from the Pacific and Artic ocean depths separated by thousands of miles. The DNA was then sequenced and analyzed by the JGI. While different environments present different metabolic pictures, this research, Rubin said, facilitat...
Habitat use by North Pacific right whales, Eubalaena japonica, in the Bering Sea and Gulf of Alaska
...a waters, is one of the most critically endangered whale
populations in the world. Commercial whaling in t...ough there has been a conspicuous absence of right whale
sightings from the outer shelf and slope habitat in recent years, this may be due, at least in part,...
Plankton can run, but can't hide from basking sharks
...ern that the world's two largest fish species, the whale
shark Rhincodon typus and the basking shark, have low population levels as a result of human exploitation. Data on population sizes for these species are lacking, and diving behaviour is one factor contributing to surveying bias," the authors say. Un...
FSU scientist warns North Atlantic right whale facing extinction
...t doing enough to protect the North Atlantic right whale
and its habitats. At least 50 percent of all recor...pal investigators documents an unprecedented eight whale
deaths during the past 16 months -- almost three times the average annual rate in 25 years of study ...
Endangered North Atlantic right whale study says population in crisis
...n the early 20th century, the North Atlantic right whale
has been protected from commercial whaling since 1...tion. "The bottom line is that human induced right whale
mortality is currently exceeding a level that allows the population to grow," said Michael Moore, a ...
North Atlantic right whales headed toward extinction
...s most endangered whales, the North Atlantic right whale
( Eubalaena glacialis ), is on a path toward exti...s in fishing gear, according to Cornell University whale
expert Christopher Clark. A paper co-authored by Clark in the latest issue of the journal Science ...
Genetics links whale to two different ocean basins
...er, a genetic study has followed a single humpback whale
from one ocean basin to another, adding to traditi...t Royal Society's Biology Letters, a male humpback whale
that was first sighted in Madagascar's Antongil Bay in 2000 was found in 2002 swimming off the coast...
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