Tag: "birds" at biology news
DT104 Advice:How To Slow Salmonella Spread
...rains and manure-storage areas andthe droppings of birds
and rodents at the farm. -- Breaking the cycles: The ubiquitous salmonellae are found almost everywherein the environment -- in soil, water and their animal hosts -- andepidemiologists now believe the eradication of salmonella is impossible toachi...
UF Researchers: Development Promotes Disease Among Gopher Tortoises
...e homes for about 60 vertebrates -- from snakes to birds
-- and more than 300 invertebrates, including spiders, crickets and beetles. "Tortoises can act to spread seeds of plants and also to aerate the soil via their digging action," Brown said. Researchers discovered the disease is caused ...
Biologist Experiments With His Own Front Yard
... eat live bugs in order to test their tastiness to birds
(and to impress partyguests) and which ones not to... big difference in terms of the desert insects and birds
that would be present." Does he think this will ever happen? "Let's just say I can't imagi...
USGS Scientists Implicate Exotic Parasite In Wisconsin Lake Bird Deaths
... carcasses. She doesnot know if other snail-eating birds
are at risk. They may not be susceptible tothe parasite, or they may not feed on the infected snail species. According to Cole, "There are many unanswered questions about theparasite, the snail vector, and the potential of ...
High Testosterone Level May Lead Male Junco To Stray From Mate
...University , who is an expert in mating systems of birds
and indetermining parentage; and Charles Ziegenfus...tubes were empty. After this initial procedure,the birds
were released and allowed to live naturally on their breedinggrounds. After the offspring hatched, ...
Duke Researchers Develop First Treatment For Rare Muscle Disease
... a strain ofJapanese quail also missing GAA. These birds
can't fly and when turned on theirbacks can't righ...f researchers used three test groups of birds. Two birds
wereinjected with a high dose of purified human GAA, two with a low dose of GAA, andtwo were injecte...
Prairies Will Be Hit Hard By Global Warming
...stry. Certain kinds of animals, particularly shore birds
and waterfowl, areextremely sensitive to water lev...e onfossil fuels. Many kinds of migratory birds
take shelter in temporary marshes thatform on farmland early in the year, Malcolm explains. As the c...
New Sickle-Clawed Fossil From Madagascar Links Birds And Dinosaurs
...is discovery lends a lot of weight to theidea that birds
are a side-branch of the theropod family tree," says Forster. The discovery was made during one of a series of ongoing paleontologicalexpeditions in Madagascar, funded by NSF. In addition to Rahona, the scientificteam discovered an array of ...
Researchers Announce Discovery Of Skulls Of Bizarre Animals Showing Advanced
Stage In Transition Between Dinosaurs And Birds
...ides further evidence in support of thetheory that birds
evolved from dinosaurs and reveals an advanced sta...challenging the traditionalview that all primitive birds
looked similar to their modern-day cousins. The new fossils, which date from the late Cretaceous Pe...
Coastal Development Threatens Rare Atlantic Shorebird
...ed in ice to supply New York's millinerytrade. The birds
made a brief comeback in the 1920s and ?30s, but by the early1940s coastal development caused their numbers to dive again. Though already listed as "rare," meaning monitored but not protected,the Atlantic least tern has faired slightly better...
Among Wrens, Moms Teach Daughters To Call, Dads Teach Sons, Study Reveals
...-CH News Services CHAPEL HILL -- Spying on birds
with binoculars while tape recordingtheir sounds o...as the principal breedingpair while up to 12 other birds
-- usually previous offspring -- do not breed,but help construct the nest and feed the young. When d...
New Species Of Winged Dinasaur Named For Yale Professor
...ponents of thecontroversial theory that modern-day birds
are descended from dinosaurs. Newsthat the creatu...tsclose cousins may prove to be the most primitive birds
known aside fromArchaeopteryx, a feathered animal that lived 150 million years ago. It wasOstrom's ...
Gene Study Shows Mammals Lived Before Extinction Of The Dinosaurs
...ll establishedby fossil studies--the divergence of birds
and mammals about 310 million yearsago. "A clock ...yone agrees on the datewhen reptilian ancestors of birds
and mammals appeared because it is based onwell-accepted studies of fossils." Using this date as a ...
Birds Sing The 'Story Of Their Lives,' Theorize Duke Biologists
... as a mating signal.Their theory holds that female birds
carefully analyze a male's song quality tojudge ho... male cardinal. The intricatewarbling of male song birds
is, indeed, a highly exaggerated trait, Nowickisaid. "Bird song is far more complex than it ...
Schmidt-Nielsen Autobiography Details Scientific Adventures
...l most animals. He also has discovered how marine birds
and turtles can ingest saltwater,protecting themselves by excreting the salt through special glands. Andhe and his coworkers discovered that desert rats manage to forego drinkingby utilizing the water formed in food metabolism. The book outlines his...
Increasing Frequency Of El Nino Takes Toll On Northern Hemisphere's Only
...ust more vulnerable to extinction." The flightless birds
are among the smallest penguins, typically standin...rocess, which Boersma says could leave some of the birds
tooweak to survive, let alone breed. During her latest trip, some of the 100penguins she observed we...
Pollution, Food Stress Take Toll On Bald Eagles
...ys byhelicopter, counting the number of incubating birds
and the number of nestlingsproduced. And he watche...ent higher." Each contaminant detected in birds
south of the mill was below the levelestimated to cause lower nesting success. But those estimates d...
International Research Team Announces Discovery Of Two Species Of Feathered
...eaturesprovide further support for the theory that birds
evolved from small,meat-eating, ground-dwelling di...here the two new species fall on the familytree of birds
and dinosaurs, the research team examined ninety separate physicalcharacteristics seen in the fossil...
Third Annual Awards For Presidential Green Chemistry Challenge Recognize Innovations
...o suffer harm inuntargeted insects and reptiles to birds
and mammals, including humans. TheRohm and Haas insecticides, on the other hand, mimic a chemical signal thattells the developing pests to molt. The company says caterpillars and beetlegrubs stop eating shortly after exposure and soon die. The signal...
USGS And Arizona Game And Fish Begin Partnership To Study Western Yellow-Billed Cuckoo
...bill, this cuckoo is one of a much larger group of birds
calledneotropical migrants, said USGS bird biologi... use not only can directly cause the death ofthese birds
but also can cause population declines due to thinning ofeggshells and decreased availability of ins...
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