Tag: "swans" at biology news
Bird samples from Mongolia confirmed as H5N1 avian flu
...a using RT-PCR, while results from 30 live whooper swans
living at the same site and also a nearby lake were negative for the virus. Samples collected from other live birds at the two sites, including sixty ruddy shelducks, twenty-four bar-headed geese, and twenty-five black-headed gulls, were found to be...
Wild birds help to create human flu vaccine
...n outbreak in August killing wild ducks, geese and swans
in northern Mongolia have unique genetic characteristics which make them a valuable addition to a human vaccine based on a variety of strains of influenza. Working in Mongolia for a health survey of wild bird populations in Mongolia, WCS field v...
Mute swan population helps explain longstanding evolutionary question
... the University of Oxford tracked a colony of mute swans
for more than two decades to explore a longstandin...otection from predators may have helped enable the swans
to evolve towards a new, larger clutch size....
USGS at The Wildlife Society: From sea-ice change to contaminants to predators and prey
..., 2006, 5:10 - 5:30 p.m. Productivity of tundra swans
breeding on the lower Alaska Peninsula: The de...e most southwesterly breeding population of tundra swans
and are the only known population of tundra swans
to exhibit non-migratory behavior. Growing concern...
New research predicts US entry of H5N1 avian influenza
... will be looking for sick or dead ducks, geese and swans
this winter." Dr. Peter Marra, an avian ecologist with the Smithsonian's Migratory Bird Center at the National Zoo commented, "In almost all cases in which we have detected H5N1 in wild birds, it has been found in dead birds. It's critical that dead...
Low-pathogenic forms of bird flu do cause illness among birds
...UWERSLUIS / ROTTERDAM / WIERINGERWERF -- Migratory swans
carrying a mild form of avian influenza depart fro...ing to scientist Jan van Gils from NIOO, "Infected swans
clearly suffer from their mild disease. The late departure from the wintering grounds could lead to ...
What is wrong with intelligent design?
...would disprove it. For example, the statement "all swans
are white" is falsifiable, since observing even one swan that isn't white would disprove it. Sober points out that this criterion entails that many ID statements are falsifiable; for example, the statement that an intelligent designer created the ver...
Learning how to help migrating swans find forage
...r that was reclaimed from the sea in 1930, Bewicks swans
stop by during migration to feed on the leftovers ...at the time spent feeding on a field by a flock of swans
can be used as a surrogate of an individuals energy intake rate (which declines over time due to dep...