Tag: "bird" at biology news
Satellite tracking will help answer questions about penguin travels
... a half-dozen Magellanic penguins developed a "big bird
is watching" phobia before this month is over, but... tape will be used to attach a transmitter to each bird
before it is released into the Atlantic. The tags are about the size of many common cellular telepho...
ESA announces 2007 award recipients
...y alter marine communities. She found that marine bird
abundance differed between rat-infested and rat-free islands, and that this resulted in significant differences in intertidal invertebrate abundance and algal cover on the two island types. W. S. Cooper Award Paul Fine The 2007 Cooper Award re...
Parents seeking sex abandon 1 in 3 offspring
...ities for childcare vary enormously throughout the bird
kingdom. Usually both parents care for the young although the female takes the bulk of care. In a score of species, such as in phalaropes and lily-trotters, males do all of the childrearing. As far as we know this willingness for both sexes to aban...
Smithsonian's National Zoo researchers use electronic eggs to help save threatened species
...tional Zoo. Four chicks of this threatened African bird
have hatched in June and July. Along with the bumper crop of baby birds is a bumper crop of new information for scientists working to preserve the species, thanks to an electronic egg that transmits real-time incubation data from the nest. The tele...
Bumblebees make bee line for gardens, National Bumblebee Nest Survey finds
...ng. Bumblebees also like nesting in compost heaps, bird
boxes and flower beds. Gardeners like to see flowers almost all year round, so this ensures continuity of nectar and pollen sources for the bees throughout spring and summer at a density rarely encountered in the countryside. Bumblebees' penchant f...
Art and music for the birds
...at have artists offered the natural world" Would a bird
even like rock and roll" Conceptual sculptor Eli...necdotal evidence suggests that certain species of bird
listen to and replicate human song. My interest with the piece was to get us to think about the i...
Bird sized airplane to fly like a swift
... that using only four feathers, much less than the bird
uses, already provides the wing with sufficient morphing capacity; this feature makes actual production of the design feasible. Steering RoboSwift is done by asymmetrically morphing the wings. Sweeping one wing back further than the other creates a d...
Conservation Leadership Program announces 2007 awardees
...a to the assessment and conservation of threatened bird
species in China. The Conservation Leadership Programme offers support to teams of emerging conservation professionals across a set of countries chosen by BP based on areas of significant business interest, said Marianne Carter, CLP Executive Manag...
American Chemical Society's Weekly PressPac -- July 11, 2007
...adults to potentially fatal stress. Collection of bird
droppings is noninvasive, but droppings must be refrigerated and shipped to a testing lab. Researchers long have eyed oil secreted from the preen gland (located at the base of the tail feathers), which birds use to waterproof feathers and ward off ...
What determines the speed at which birds fly?
...of Lund in Sweden analyze the flight speeds of 138 bird
species and overturn the general assumption that m...Flight speed doesnt just depend on the size of the bird
(mass and wing loading), but also reflects functional constraints and the evolutionary lineage of th...
Brightly colored birds most affected by Chernobyl radiation
.... According to Mller and Mousseau: We found that bird
species differed in their response to radiation from Chernobyl. The strongest declines in population density with radiation level were found for species with carotenoid-based plumage, long-distance migration and dispersal, and large eggs for their bo...
It don't mean a thing if it ain't got that (modern) swing
...volutionary biologists have been puzzling over why bird
songs of a single species can vary significantly f...up to is a part of the subtle process by which one bird
species can become two, Derryberry argues. Bird song is something "cultural" that distinguishes bird...
CU study reveals why starling females cheat
...ity of California-Berkeley. Usually, if a female bird
(and at times if a human female) is caught cheatin...chicks on her own. But because superb starlings, a bird
common to East Africa, are cooperative breeders, females have more incentive to stray, said Rubenste...
The mouflons of the Kerguelen archipelago
...ands to study the impact of introduced cats on the bird
populations. Noticing that the mouflon population appeared to be thriving, he suggested to Rale that this population could be studied from a genetic viewpoint. Dave Coltman, a professor at the University of Alberta and a specialist in ungulate geneti...
American Chemical Society's Weekly PressPac -- June 13, 2007
...mid heightened concern over a possible epidemic of bird
flu in humans, scientists in the United States and Taiwan are reporting critical new insights into the architecture of a key enzyme in the H5N1 avian influenza virus that enables the virus to spread. The report is scheduled for the June 20 issue of t...
Study investigates 'divorce' among Galapagos seabirds
...er 100 to 120 days of parental care until the baby bird
can fly. The parents will usually continue to pro...es that addresses divorce in successfully breeding bird
pairs, Maness said. This study really predicts that the probability of divorce increases with the b...
ASU research shows connection between testosterone, dietary antioxidants and bird coloration
...r work on zebra finches, a common domesticated pet bird
originally from Australia. Carotenoids are known to play several key roles in birds and fish, including contributing to their bright colors, which acts as a signal to attract potential mates. They also act as an antioxidant in the body, which improve...
Who needs environmental monitoring?
... concentrating on things people care about such as bird
species diversity - will improve the probability that a dataset will be useful for future environmental issues, say the researchers. The review concludes that environmental monitoring matters to everyone. Scientists need it for research program...
Stray penguins probably reached northern waters by fishing boat
...ny of its kind should have been. The flightless bird
appeared to be healthy and in good condition, and Demmert snapped its picture before turning the bird
loose. It wasn't the first sighting of a penguin in Alaskan waters. In fact Demmert himself repor...
Study warns climate change and deforestation will lead to declines in global bird diversity
...es and extinctions in the worlds 8,750 terrestrial bird
species over the next century, according to a stud...imate change and protecting habitats, at least 400 bird
species are projected to become imperiled by the year 2050 due to reductions in their geographic ran...
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