Quantcast

Latest Bird migration Stories

2010-07-29 09:05:02

During the Spring and Fall migratory seasons, sparrows become significantly less capable of resisting temptation. Researchers writing in the open access journal BMC Neuroscience investigated impulse control and sleep in White-crowned Sparrows during migratory and non-migratory seasons. During migratory periods, the birds slept very little and became more impulsive, but sleep loss itself was not entirely to blame for their impulsivity. University of Wisconsin-Madison researchers studied the...

febb278715733c14c5928c1520ad36e91
2010-05-25 11:12:12

Queen's-led study links metal contamination of Arctic ponds to seabirds' diets A collaborative research team led by Queen's University biologists has found that potent metals like mercury and lead, ingested by Arctic seabirds feeding in the ocean, end up in the sediment of polar ponds. "Birds feeding on different diets will funnel different 'cocktails' of metal contaminants from the ocean back to terrestrial ecosystems, which can then affect other living organisms," says lead author Neal...

107442a573d0d3b29b4abf8746f4761f1
2010-05-19 09:32:01

Even tiny patches of woods in urban areas seem to provide adequate food and protection for some species of migrating birds as they fly between wintering and breeding grounds, new research has found. The results are important because, with the expansion of cities worldwide, migrating landbirds increasingly must pass through vast urban areas which offer very little of the forest habitats on which many species rely. "The good news is that the birds in our study seemed to be finding enough food...

30ce0c8eff315442f6efe8a5f913eba91
2010-05-09 07:30:00

A team from the University of Cantabria (UC) has studied the contribution that internal migration by foreign people living in Spain made to the process of overall provincial convergence between 1996 and 2005. The main reasons for foreign migrants moving between regions were found to be primarily employment-related rather than to do with residential choice. Between 1996 and 2005, the proportion of internal migrations in Spain made by foreigners grew from 3% to 26% of the total. By 2008, three...

8252c786b19869e237a87e58ceb171cb1
2010-04-30 06:25:53

When it comes to brains, bigger is not always better Researchers at Centre for Ecological Research and Forestry Applications (CREAF, a Universitat Autònoma de Barcelona-affiliated center) shed new light on the evolution of brain size in birds. Scientists have known for some time that migratory birds have smaller brains than their resident relatives. Now a new study looks into the reasons and concludes that the act of migrating leads to a reduced brain size. Authors point to...

2010-04-21 13:50:27

The results of genetic studies on migratory birds substantiate the theory that in the case of a continued global warming, and within only a few generations, migratory birds will - subject to strong selection and microevolution - at first begin to fly shorter distances and at a later stage, stop migrating, and will thus become so-called "residents". In a selection experiment with blackcaps from southwest Germany, Francisco Pulido and Peter Berthold at the Max Planck Institute for Ornithology...

953524ed80e41026e3eed8112a8bffd51
2010-02-24 10:55:00

The United Nations reported on Wednesday that several countries, including Russia, Iran and China, are working together to bring back the Siberian Crane form the brink of extinction. The pure white, 55-inch tall crane is considered to be critically endangered with a population of less than 3,500 individuals left. But, with the help of the international community, "the future of the Siberian crane is looking brighter," said Claire Mirande, director of the Siberian Crane Wetland Project. The...

2010-02-23 14:38:21

Iron containing short nerve branches in the upper beak of birds may serve as a magnetometer to measure the vector of the Earth magnetic field (intensity and inclination) and not only as a magnetic compass, which shows the direction of the magnetic field lines. Already several years ago, the Frankfurt neurobiologists Dr.Gerta Fleissner and her husband Prof. Dr. Gnther Fleissner have discovered these structures in homing pigeons and have, in close cooperation with the experimental physicist...

bd3b4dd65af6593835cf6eb8f4a30b4e1
2010-02-17 10:18:17

Heavy migratory birds take shorter breaks and reach their breeding grounds faster Small migratory birds, like the garden warbler, must make stopovers on their journeys to their breeding grounds. When they have crossed extensive ecological barriers, such as deserts or oceans, they must land to replenish their fat reserves. A researcher from the Max Planck Institute for Ornithology in Seewiesen and a team of Italian colleagues measured the duration of the stopovers made by garden warblers on an...

7a75c7adb50bb512dae3872d4a4cbd011
2010-02-12 09:31:50

Traveling long distances spurs the evolution of larger and pointier wings A University of Georgia study has found that monarch butterflies that migrate long distances have evolved significantly larger and more elongated wings than their stationary cousins, differences that are consistent with traits known to enhance flight ability in other migratory species. As part of a National Science Foundation and UGA-funded study, researchers in the Warnell School of Forestry and Natural Resources and...


Latest Bird migration Reference Libraries

38_5e94e5ed06f251e2a48bb0af250cedde
2006-03-09 11:12:33

The Green Pygmy Goose (Nettapus pulchellus) is a small perching duck found in southern New Guinea and northern Australia. It is largely resident, apart from dispersion during the wet season. The habitat is well vegetated lowland lagoons and other permanent fresh waters.

36_d0f100dde21102131ebb86ef946f80e8
2005-06-14 12:44:59

The Canada goose (Branta canadensis), also called the Canadian Goose in North America, belongs to the Branta genus of geese. This genus contains species with largely black plumage, distinguishing them from the grey Anser species. The species name, canadensis, is a New Latin word meaning "of Canada". The black head and neck with white "chinstrap" distinguish this goose from all except the Barnacle goose, but the latter has a black breast and grey, rather than brownish, body plumage. There...

45_2c0380c7e76515063dc4326285e9fbf8
2009-04-01 13:32:49

The Red Knot (Calidris canutus), or Knot in Europe, is a species of bird found in the tundra and Arctic mountains in the far north of Canada, Europe and Russia. North American birds migrate to coastal Europe and South America, while European birds migrate to Africa, Papua New Guinea, Australia and New Zealand. This species has an extensive range and a large population of about 1.1 million individuals. There are six subspecies. The adult is 9 to 10.25 inches in length with an 18.5 to 20.8...

More Articles (4 articles) »
Word of the Day
monteith
  • A large punch-bowl of the eighteenth century, usually of silver and with a movable rim, and decorated with flutings and a scalloped edge. It was also used for cooling and carrying wine-glasses.
  • A kind of cotton handkerchief having white spots on a colored ground, the spots being produced by a chemical which discharges the color.
This word is possibly named after Monteith (Monteigh), 'an eccentric 17th-century Scotsman who wore a cloak scalloped at the hem.'
Related