Sentences with phrase «university zoologist»

In a paper currently in review at the journal Oryx Hamburg University zoologist Jrg Ganzhorn and his colleagues report that at least three of Madagascars unique ecosystems have sustained so much damage that many of the resident large animal species, including a number of lemurs, have disappeared from them.

In a study published in May, Duke University zoologist Thomas Struhsaker and his colleagues concluded that since 1975, packs of hungry chimpanzees have killed nearly 90 percent of the red colobus monkeys in a portion of the forested Ngogo region of Kibale National Park in Uganda.

«All of our sampling sites were very close to neighborhoods with manicured lawns,» said Jason Belden, an Oklahoma State University zoologist and author of the study published in the journal Environmental Pollution.

The new material is much more efficient than current mist - catching nets, in which most of the water passes through uncollected, says Andrew Parker, the Oxford University zoologist who originally described the beetle's unique surface.

But Oxford University zoologists writing in the current issue of the journal Science report that Betty, a captive crow, spontaneously performed an unexpected variation on this theme, coaxing a piece of straight wire into a hook to retrieve a small bucket of food.

Not exact matches

In an experiment conducted in 2000 by Anne Storey, a parenting psychologist, and Katherine Wynne - Edwards, a zoologist, the two women and their colleagues at Memorial University in Newfoundland began a quest to understand the physiological and behavioral changes that expectant fathers may undergo prior to their children being born.

Matthew Cobb is a zoologist at the University of Manchester, UK.

But clawed paws in these northern «true seals,» which include harbor and harp seals, seem to be more than just a holdover from ancient times, says David Hocking, a marine zoologist at Monash University in Melbourne, Australia.

They will be useful in the lab, says Santiago Castroviejo - Fisher, a zoologist at Uppsala University in Sweden, because their organs can be monitored in real time to see how they respond to stimuli.

«It's a neat study,» says zoologist David Bilton, who studies aquatic invertebrates at the University of Plymouth, United Kingdom.

«It is important and a valuable stepping stone in our quest to understand how intelligence evolved, but like all studies, it is one piece of a larger puzzle,» says Sarah Benson - Amram, a zoologist at the University of Wyoming in Laramie, whose recent comparative study of 39 species of carnivores reached the opposite conclusion.

«It's impressive enough that Vinther et al. managed to recreate the color pattern of a long - extinct dinosaur,» says zoologist Hannah Rowland of the University of Cambridge in the United Kingdom, who was not involved in the study.

That's why Bill Sellers, a computational zoologist at the University of Manchester, UK, has developed a new technique for simulating dinosaur movement and working out which gaits they most likely used.

To further test the theory, Christopher Bird, a zoologist at the University of Cambridge in the United Kingdom, and his colleague Nathan Emery of Queen Mary, University of London, «quizzed» rooks on a basic concept of physics they call «support.»

Empty hives and recorded buzzing also deterred elephants but were not as effective as live bees, report zoologist Fritz Vollrath of the University of Oxford, United Kingdom, and a colleague online 1 November in the journal Naturwissenschaften.

Still, without the long - term data collected by Wikelski and colleagues, researchers might not have even detected the die - off, says zoologist Robert Paine of the University of Washington.

That may not have been the only trouble, says zoologist Dee Boersma of the University of Washington, Seattle.

Late last year, Peter Funch and Reinhardt Kristensen, zoologists at the University of Copenhagen, announced that they'd found an animal strange enough to merit its own phylum, which they have named Cycliophora.

The study is «ingenious» and reflects a positive trend toward studying how animals might think and not just what they do, says Alex Kacelnik, a zoologist at the University of Oxford in the United Kingdom.

Zoologist Andrew Blaustein of Oregon State University, Corvallis, isn't convinced.

Zoologists at the University of Basel in Switzerland have now discovered a new parasite species that represents the missing link between fungi and an extreme group of parasites.

To find out if UV - B could be causing widespread decline, zoologist Wendy Palen of the University of Washington, Seattle, and colleagues surveyed 136 suitable breeding sites in the northwestern United States.

The 26 commissioners hail from 19 countries, and with offices in Europe and Asia, «we're now truly the International Commission on Zoological Nomenclature,» says Daphne Fautin, a zoologist at the University of Kansas, Lawrence, who is ICZN's vice president.

Stephen Proulx, a zoologist at the University of Toronto, has developed an evolutionary model that makes this behavior easier to understand: It's not just about money, but it's not just about genes either.

One advocate for its use is Donald Roberts, a medical zoologist recently retired from the Uniformed Services University of the Health Sciences in Bethesda, Maryland, and a member of the board of Africa Fighting Malaria, which collaborates with conservative think tanks.

Siveter's team has produced a «a jaw - droppingly beautiful representation» of the fossil, says Rich Palmer, an invertebrate zoologist at the University of Alberta, Edmonton.

Martin Wikelski, a zoologist at the University of Washington, has found that these abused males have evolved a unique reproductive strategy: at the sight of a female, they freeze in copulatory poses and ejaculate.

Last September, zoologist Marcelo Sánchez - Villagra of the University of Tübingen in Germany unveiled the «exceptionally complete skeleton» of an 8 - million - year - old swampland forager that was by far the largest rodent ever known: roughly nine feet long and more than 1,500 pounds.

The offshore bird's secret, revealed for the first time in May by zoologists at Iowa State University, is in the storm petrel's telomeres, repetitive bits of DNA that sit on the ends of the chromosomes in each cell like protective caps.

Many people know about the threatened polar bear and extinct passenger pigeon, but few have heard of endangered and extinct languages such as Eyak in Alaska, whose last speaker died in 2008, or Ubykh in Turkey, whose last fluent speaker died in 1992, says Tatsuya Amano, a zoologist at the University of Cambridge in the United Kingdom and lead author of the new study.

Zoologist Ronald Chase of McGill University in Montreal, Canada, who studies the use of «love darts» in hermaphroditic land snails (ScienceNOW, 6 July) and sees his share of bizarre mollusk mating, calls this version «very strange.»

Together with the palaeontologist Jean Vannier (CNRS / Université Claude Bernard Lyon 1 / ENS de Lyon) and other colleagues, the zoologist Brigitte Schoenemann from the University of Cologne played a leading role in this research.

«This suggests that the mammal and bird sex chromosome system is not as different as we have always thought,» says Marilyn Renfree, a zoologist at the University of Melbourne, Australia.

In a second example of chimpanzee grieving, a research group led by Dora Biro, a zoologist at the University of Oxford in the U.K., observed two chimp mothers carrying the remains of their dead infants for weeks.

Among the biologists voicing dismay, zoologist Ferdinando Boero of University of Lecce wrote an open letter to Maiani questioning de Mattei's fitness for vice-president of CNR.

With short - lived animals, «you can walk away froma project within three or four years, and you've got a lot of data, andyou can make a big impression on your colleagues,» says RonaldNussbaum, a zoologist at the University of Michigan.

Louis Guillette, a zoologist at the Medical University of South Carolina, has been studying alligators in Florida for decades.

So zoologist Máté Nagy at the University of Oxford, together with colleagues at the Hungarian Academy of Sciences in Budapest fitted five Vizslas and one mixed - breed dog with harnesses carrying a small GPS device.

The study's lead authors, Timothy Higham at the University of California, Riverside, and Anthony Russell at the University of Calgary, Canada, both zoologists, brought Niklas into the project for his expertise on plant biomechanics.

«Hungry bears don't just lie down — they go looking for an alternate food source,» says zoologist Ian Stirling at the University of Alberta in Edmonton, Canada.

A new study by the zoologists Martin Nyffeler (University of Basel), Mike Maxwell (National University, La Jolla, California), and James Van Remsen (Louisiana State University) now shows that praying mantises all over the world also kill and eat small birds.

Such studies could be critical, notes zoologist Eric Warrant of Lund University in Sweden.

«There's no question that these things are chordates,» says zoologist Nicholas Holland of the University of California, San Diego.

«People were willing to give me equipment — I just had to ask for it,» exclaims Greg Kelly, a zoologist at the University of Western Ontario who ended up walking away with, among other things, two centrifuges.

In the mid-1900s, zoologist Richard Snyder of the University of Washington, Seattle, proposed that lizards could run faster and more efficiently on two legs than on four, but he was unable to thoroughly test the theory.

Zoologists at the University of Bonn and a colleague from Oxford have now found out how complex the processing of these sensory impressions is.

Tim Coulson, a zoologist at the University of Oxford in the United Kingdom, participated in the independent expert panel that the oversaw the experiment.

Konrad Wiese, a zoologist at the University of Hamburg, thinks he's figured out how krill keep in touch: their tiny antennae pick up pressure waves from their neighbors.

Once again John Alcock, a zoologist at Arizona State University in Tempe, climbs Usery Peak near Phoenix to observe nature, from ants and eagles to the giant saguaro cacti that dominate this landscape.

Testing a causal connection between flight ability and egg shape is tough «because of course we can't replay the whole tape of life again,» says Claire Spottiswoode, a zoologist at the University of Cambridge who wrote a commentary accompanying the study.