Tag: "birds" at biology news
Humans at work and play in high altitude environments
...untain. His earlier work focused on respiration in birds
and especially the mechanisms that allow birds
to exercise harder than mammals at high altitude. His current research focuses on physiological accl...
Antarctic remediation underway
...no evidence of contaminated melt pools or of oiled birds
at the time. Jatko added that materials will be sent to Cape Hallett at the earliest opportunity to fence off the pools during the penguin-breeding season when the chicks are most likely to become fouled. Additonal steps will be t...
UC Davis science, engineering and technology newstips -- March
...lowers of scarlet gilia (Ipomopsis aggregata). The birds
play an important role in pollinating the plants. ...rs, then watched hummingbirds feeding on them. The birds
were less likely to visit a plant without nectar, and probed fewer flowers on plants they did visit....
Study of poisonous snakes boosts old Batesian principle of mimicry
...appearing butterflies, some of which were toxic to birds
while others were not, he said. "You can get resemblances between species that have nothing to do with mimicry," Pfennig said. "Sharks and dolphins look very much alike, but those forms probably evolved millions of years ago because they were so e...
Los Angeles oiled bird rescue center opens
...icials and volunteers, and photograph live,healthy birds
being used to demonstrate the care that anoiled bi... etc; how blood samples are taken; tube-feeding of birds
for hydration before they are cleaned; andthe procedures involved in the cleaning of an oiled bird. ...
Roadsides may provide butterfly corridors
...kinds of animals -- including insects, amphibians, birds
and small mammals -- use roadside vegetation as habitat. While Iowa's roadsides have traditionally been monocultures of non-native grasses, some counties in the state have begun reintroducing native prairie plants. Many of these plants provide necta...
Chemistry in the Amazon: Tropical birds, Amazonian tribespeople derive medicinal benefits from insects, plants
...cal birds. He will explain how the preen glands of birds
produce chemicals, which originate in tropical pla...riguez' research shows that vertebrates, including birds
and poisonous frogs, also acquire their defense through their diet. Rodriguez will also discuss ...
...sible kind of thing to do if you're trying to keep birds
out." But an INEEL spokesman maintains that radion...uclide concentrations are so low in the ponds that birds
would face more risk of death from entanglement in netting. Britain had its own problem wit...
Analysis of flight performance in wandering albatrosses yields insights into foraging patterns of different ages and sexes
...nd suggests that these differences influence where birds
of different ages and sexes forage for food in the open sea. Few studies of flight performance in birds
have looked at differences between males and females. Sexual dimorphism in birds--differences betwee...
Extinction claims a furry friend
...seems that they are not alone. "It is not only the birds
that have gone from the Adelaide Hills," said Dr P...acy of environmental pressures now threatening the birds
of the Adelaide Hills. "I don't think that there's any doubt that the decline of mammals and reptile...
Saline solution a serious threat to wetlands
...hypersaline system govern the food sources of many birds
protected under the Ramsar convention. "In the hig...nd then seeds, but more important for plant-eating birds
are the starchy food stores called turions. Other birds
depend on fish adapted to the hypermarine sy...
Sex lives of wild fish: Genetic techniques provide new insights
...ng nests and laying eggs in the spring. But unlike birds
and reptiles, in many freshwater fish species it is the male that builds and tends the nest. "They try to build an attractive nest to entice females to come and spawn with them," DeWoody says. Nearly all freshwater fish are external fertilizers,...
Sleep in early life may play crucial role in brain development
.... Researchers have known that in early development birds
and mammals, including humans, sleep as much as three times the amount as adult birds
and mammals. And they have long suspected that neuronal connections are remodeled during sleep. Prev...
First dinosaur found with its body covering intact; displays primitive feathers from head to toe
...theropod dinosaurs may have looked more like weird birds
than giant lizards. Entombed in two slabs of fine-... Critics of the widely accepted theory that modern birds
evolved from dinosaurs have questioned the validity of these feathered dinosaurs, claiming that the ...
Chickens succumbing to virus formerly avoided by vaccination
...try against fowlpox a slow-spreading infection in birds
for which there is no treatment. A new viral stra...same birds, he said. In large poultry operations, birds
face multiple pathogens. Fowlpox occurs as a dry pox, which results in wart-like nodules on the sk...
Seabirds still not recovered from Exxon oil spill
...ays Wiens uses a relatively tough test for showing birds
have suffered after the spill, and a less demandin...t not recovery," he says. Irons believes that birds
are still suffering because food in the intertidal zone and shallow waters near the shore, such as m...
Male and female songbirds show big learning differences
...ls learn songs in one-third the time it takes male birds
to learn the same number of songs, according to re...orthern cardinals are unusual among temperate-zone birds
because both males and females sing. In earlier work, Yamaguchi has shown that the birds
can tell th...
Field Museum plays vital role in creation of huge new park
...yed vascular plants, fishes, reptiles, amphibians, birds
and large mammals. What they found was spectacular, including the identification of at least 28 new plant and animal species. The park is rich in flora and fauna because the elevation of the area varies so much from about 650 feet to 7,870 feet abo...
Pet trade wrong: Poaching major threat to parrots
...d, making them among the most endangered groups of birds
worldwide. Parrots fetch an average of $800 in the U.S. and the number of parrot chicks taken from the wild is estimated at up to 800,000 per year. Parrots are particularly sensitive to poaching because they have low reproductive rates. Based on exi...
Fragmentation linked to stress in birds
Amazon forest birds
are particularly sensitive to habitat fragmentatio... but no one knows why. New research offers a clue: birds
in fragments have slower-growing feathers. This suggests that they are more stressed, which could de...
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