Time running out for South Asian vultures, ecologists warn
...clofenac and had the same symptoms as the poisoned birds in their experiments. The most recent population surveys in India, carried out by the Bombay Natural History Society in 2003, show that the population of the oriental white-backed vulture (Gyps bengalensis) has fallen by more than 99% since the early...Is more better: Counting birds may only tell part of the story
...e. In "Avian habitat evaluations: should counting birds count?" Carl Bock and Zach Jones (University of Co...ast 20 years, looking at whether a large number of birds in an area meant the birds would successfully reproduce and survive. Their study was inspired by a...Amphibians in dramatic decline; Up to 122 extinct since 1980
...nt of its species at risk of extinction. "After birds and mammals, amphibians are the third group of species to be completely evaluated on a global scale. This study significantly expands our current knowledge and provides a baseline from which we can monitor our impact on the environment over time," sa...Arctic mystery no longer: Dinosaurs walked Canada's great north
... interest are archosaurian reptiles, (crocodiles), birds and dinosaurs. He focuses on two parallel research tracks: fossil collection and developmental biology. His main pursuit is to track the evolution of one species and their development. In Niger alone, his explorations with University of Chicago pala...Biodiversity: measuring up to the loss
...tinuing deterioration in the status of the world's birds between 1988 and 2004," with "particularly steep d...rack progress toward the 2010 target, not only for birds but for all groups of organisms....Do lead bullets continue to be a hazard after they land?
...ntil his death in 2003. "He found no evidence that birds eating shot, but this portion of the research was not completed," Rimstidt said. "We are not saying that wildlife would not ingest lead, but it does not appear to be a problem on this range. Other shooting ranges may be different." Rimstidt will give......t spiders that, like other forest-dwellers such as birds and bats, prey on insects emerging from the stream. This research demonstrates that species invasions can decouple critical connections between ecosystems like streams and forests and have strong effects that propagate across their boundaries to gen...International marine survey of coral death
...ith 1,000 kilometers in diseases carried by flying birds -- they are focusing on dying organisms that can't... 3,000 to 4,8000 kilometers a year. By comparison, birds in North America spread West Nile virus across the continent at about 1,000 kilometers a year. The f...Global warming's impact on US plants, animals determined from review of dozens of studies
...ng earlier in the spring than ever before and some birds breeding earlier. In addition, species from Edith's checkerspot butterflies to the red fox have been gradually moving northward or to higher elevations, where more tolerable climate conditions now exist. Some of these species are also disappearing fr...Head movements by warblers could reveal basis for birds' geomagnetic sense
...previously unappreciated, that is performed by the birds just prior to orienting their bodies toward their ...ys covering thousands of kilometers, but how these birds detect the reference direction provided by the geomagnetic field, and where the sensory organ for th...Spatial structure, dispersal, and management of a recovering raptor population
...on of over 800 young birds. Observations of banded birds showed that dispersal rates between three subpopulations--interior, coastal, and urban--were asymmetric, with essentially no dispersal out of the interior subpopulation and a strong tendency for coastal peregrines to disperse to the urban habitats. B...New Royal Society journal studies
...Zealand hosted several species of giant flightless birds (similar to emu), collectively known as the moa. T...id-bearing plumage by Dr R Bleiweiss Many captive birds change colour in response to dietary intake of carotenoid pigments, which produce vivid yellows, ora...Tropical birds sensitive to environmental cues that can be impacted by global warming
...ere a curiosity that made him want to find out why birds sang at some times and not at others, at some plac...ology, looked at seasonal changes in the brains of birds that account for their singing, which is a part of the male mating behavior. In the Nov. 10 issue of...Avian cholera could spread from Great Salt Lake
...r birds--at Great Salt Lake, Utah, could spread as birds migrate south for the winter, the agency announced...holera expert. "Because recent research shows that birds are the primary reservoir for maintaining and spreading this disease, we need to consider the possib...Safety of bismuth bullets questioned: Study
...ities in the western James Bay region, who eat the birds as part of their traditional diet. Bismuth behaves in a ballistically similar way to lead and is cheaper than steel shot, making it the preferred alternative. But the researchers found what they believe are analytical errors in the original studie...Study in Royal Society journal on evidence for impact of global warming on bird populations
...ing on the long-term population dynamics of common birds by Dr R Julliard, Dr F Jiguet and Dr D Couvet We compared common birds' productivity (proportion of juveniles from standardised samples for 32 species, totalling over 50,000 captured individuals within 60 sites spread over France) between spring 200...Poisoning solved after millions of years
...ntly preserved. Nowhere else have so many bats and birds been found in lake deposits. Among the mammals even the contents of the stomach are usually preserved. But how did these animals die? The well-filled stomachs are not exactly an indicator of disease or fatal debility. Until recently the cause of deat...A puzzle posed by black-headed ducks yields to persistent biologists
SANTA CRUZ, CA--Some 100 species of birds are what scientists call "obligate brood parasites...r eggs in the nests of other species and let those birds do the hard work of parenting for them. The black-headed duck of South America is one of these, but ...2004 IUCN Red List of Threatened Species reveals 15,589 species at risk of extinction
...hreatened with extinction, along with one in eight birds (12%) and one in four mammals (23%); There are m...risk. Red List Indices are currently available for birds and amphibians, and show that their status has declined steadily since the 1980s. The situation in f...Studies in Royal Society journals include stress in birds and depletion of medieval fish stocks
... both physiology and demography may be the norm in birds and mammals. Contact: Dr Michael Clinchy, Biology,...nake models, Wster and colleagues showed that wild birds avoid the characteristic but inconspicuous zigzag band of the venomous adder. This shows that bright...