Sentences with phrase «birds in»

Scientists also know that hardships suffered by birds in one season can be carried over into the next.

We showed that the wakes of a small bat species differ from those of birds in some important respects.

With an eye for fine detail and the gentle explication of a born teacher, Pastor crafts a rich biography of one of North America's most beautiful and diverse ecosystems, from the geology of its foundations to the birds in its skies.

I particularly liked the chapters on «dangerous journeys» (a look at the threats to migrating birds) and «light effects» (the problems of comparing birds in the field to pictures in books), both being well presented and illustrated.

It has also been confirmed in wild birds in France.

When an alien species enters a new ecosystem, it can alter the environment in a number of ways: by eating native species (in its 50 years on Guam, the Australian brown tree snake has eliminated 9 of 13 native bird species); by spreading disease among them (introduced birds in Hawaii thrive in part because they are far less susceptible to the avian malaria parasite, also an introduced species, than native birds are); or by altering the environment in such a way that favors themselves (like melaleuca, an Australian tree that is spreading through the Everglades in part by changing the frequency and intensity of fires).

It is possible, he adds, that the virus was not detected in India and Egypt until now, because it entered the country in very few birds, but has steadily multiplied as infections multiply among birds in crowded wintering colonies.

The paper explains that this novel H1N1 has two genes from an avian virus that entered Eurasian swine in 1979, three from the old - fashioned H1N1 in North American swine, two genes from the triple reassortants in North American swine, and the final one from humans transmitted to us from birds in 1968.

I don't know if anyone has ever done a census of actual numbers of, you know, breeding pairs of birds in the park.

One group of high - altitude birds in the Canadian Rockies sang songs that stood out other members of their subspecies, which Roach and Phillmore believe is an adaptation to how sound carries in their open, shrubby habitat.

Also, the younger birds in particular just don't care and they'll just come up to you and try to take things out of your bag.

Then the main lights went off, and it was time to put the birds in their cages: Wart first, then Alex, then the always reluctant Griffin.

In this episode, Cambridge conservation scientist Andrew Balmford discusses the state of the world's birds; the US Fish and Wildlife Service's Rex Johnson talks about a new, strategic approach to conservation (both men were presenters at the recent conference «Conserving Birds in Human - Dominated Landscapes» at the American Museum of Natural History in New York City); and the Wildlife Conservation Society's Alan Rabinowitz describes his efforts to save the world's big cats.

But some birds in a 50 - generation family of White...

«If the breeders are housing the birds in single bird cages, they never have a chance to interact.»

Dutch ecologist Maarten Loonen of the University of Groningen has conducted summer research studies on birds in and around Ny - Ålesund since 1990, with support from his wife, a trained scientist who has a coordinator position at the school.

With birds in mind, researchers first created a simulated flying machine (middle) and then the real thing (bottom).

Soares: Well the H and the N refer to two proteins on the virus surface that help it infect cells and also spread from cell to cell once they are in the lungs, in case of birds in the gut, as well.

«The finding of completely blind birds in good physical condition was absolutely stunning,» says team member Christopher Murphy at the University of California, Davis.

Furthermore, the greater noctule bat's 40 - centimeter - plus wingspan and low - frequency sonar are well - suited for hot pursuit in the wide open sky, but not for finding birds in crowded tree canopies.

Bird flu takes flight Avian flu in Indonesia first caught the world's attention in 2004, when it wiped out 16.2 million birds in a bit over a year.

Now scientists have found the first evidence of stunts that would make comic book illustrators proud: A species of bat pursues and sinks its teeth into unsuspecting birds in midair.

The issue has become a lightning rod for debate because the only thing standing between H5N1 bird flu, which infects birds in half a dozen countries in Asia and in Egypt, and a nasty pandemic is that the virus is hard for humans to catch.

To investigate the impacts of climate fluctuations on Northwestern migratory bird populations, ecologist M. Philip Nott and colleagues at the Institute for Bird Populations in Point Reyes Station, California, captured birds in «mist» nets at 36 stations in forests of Oregon and Washington between 1992 and 2000.

In 2016, researchers found 1,500 - year - old turkey eggs plus bones of both chicks and adult birds in the Oaxaca region of Mexico.

Zuckerman isn't trying to show birds in their natural habitat.

Still, she found it almost impossible to catch the birds in the second year of her study.

«If you only consider local birds in an environmental assessment, you're not really evaluating the effect that facility may have on the entire population,» Katzner said.

Flamingos are gregarious wading birds in the genus Phoenicopterus and family Phoenicopteridae.

«This article finally sheds welcome light on status of these iconic birds in Florida.

The research, by scientists from the Universities of Exeter and Cambridge, investigated the camouflage of ground - nesting birds in Zambia, using sophisticated digital imaging to demonstrate how they would appear from the perspective of a predator.

That meant finding those 25 birds in a population of 80,000.

N9 seems to have come from a wild bird, probably around Korea somewhere, although there's evidence for rare N9s in other birds in Mongolia and Siberia, where these migratory wildfowl tend to congregate.

For example, if successful reintroduction of a ground - dwelling bird required removing predators such as rats, that action would benefit other ground - dwelling birds in that area.

... Actually more like checking out the birds in the neighbor's trees.»

• The Undergraduate Journal of Look, I Played Angry Birds in Your Lab for an Hour, and I Want Course Credit

Sporadic outbreaks of the H5 family of influenza viruses have appeared among birds in Scotland, South Africa, Mexico, and Pennsylvania since the 1950s.

Birds in flight?

Trivelpiece, who began studying the birds in 1976, said the relationship between the penguins and their habitat appeared simple at first.

Since certain polyunsaturated fats are known to improve flight performance, McWilliams said that this study will have relevance to the type of food birds should strive to eat in preparation for migration and thus what type of foods should be provided to birds in the landscape.

Soon after, I saw the Peterson Field Guide to Birds in the Johnny Appleseed Bookstore in Manchester, Vt., and thought, «Wow, this is really cool.»

The International Bird Research Rescue Center, one of two organisations heading up the treatment of oiled birds in the Gulf, claims that 50 to 80 per cent of the birds treated survive at least to the point of where they can be released back into the wild.

You have a huge number of birds in lowland tropical rainforests, and no obvious geographic isolation barriers that would nudge lineages to evolve differently.

And the Intergovernmental Panel on Climate Change, a few years ago in its fourth assessment in 2007, said to the Europeans — but it could have been to the Americans for that matter in a different context — Europeans if you care for your songbirds, as Europeans really do, look to Africa and how African habitats are doing: 84 percent of the migratory birds in the world are vulnerable to climate change.

While experts were fixated on birds in Asia, this strain came from pigs in Mexico.

Forero - Medina would also like to quantify extinction risks among birds in the northern Andes mountains.

Ducks are rare among birds in having a penis, and it turns out that less well - endowed species have a higher incidence of flu infection.

His latest research involves collecting data on the ankles of 50,000 modern birds in order to compare them with ankles he's observed in other animals dating back to Iguanodon, a Jurassic dinosaur.

In February 2004, avian influenza virus was detected in birds in Vietnam, increasing fears of the emergence of new variant strains.

Whether you are at a sporting event or spotting birds in your backyard, you will get a clear image that you would expect from more expensive binoculars thanks to the fully multi-coated lenses.