Sentences with phrase «migratory songbird in»

McWilliams and a colleague at the University of Wisconsin measured the spare capacity of white - throated sparrows, a common migratory songbird in eastern North America.

Not exact matches

The station, located in Newbury, Massachusetts, is designed to monitor migratory passerines (songbirds) during spring and fall migrations.

Imidacloprid and chlorpyrifos insecticides impair migratory ability in a seed - eating songbird.

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.

Migratory birds desert their offspring to molt: When parental care and the annual molt overlap in time, a migratory songbird often chooses single - parent desertioMigratory birds desert their offspring to molt: When parental care and the annual molt overlap in time, a migratory songbird often chooses single - parent desertiomigratory songbird often chooses single - parent desertion.»

A new study shows that when feather replacement and parental care overlap in time, migratory songbirds make a striking trade - off; they desert their offspring, leaving their mates to provide all remaining parental care.

Migratory songbirds that breed in North America confront serious issues with time management.

This radical solution to conflict between parental care and the annual molt provides «a nice illustration of the complex lives that migratory songbirds lead,» says Ron Mumme, the study's author and Professor of Biology at Allegheny College in northwestern Pennsylvania.

Completing all three tasks during a short summer is challenging; when the tasks overlap in time, migratory songbirds may be forced to make compromises and trade - offs.

According to a new study by biologists at Virginia Tech and the Smithsonian Migratory Bird Center, the offspring of a certain songbird, the wood thrush, are more likely to survive drought in larger forest plots that offer plenty of shade and resources.

This explanation seemed simplest: most songbirds in the Americas, including those that do not migrate, live in the South American tropics, and almost every migratory bird species has close relatives in the tropics.

Furthermore, movement - independent ZENK expression in the forebrain of night - migratory birds performing magnetic orientation at night is confined to Cluster N [with the strongest activation in distinct subregions (the shell surrounding the DNH nucleus)-RSB-, as shown by the detailed quantification of ZENK expression within Cluster N performed in this study], and this expression massively decreased in corresponding brain areas of non-migratory songbirds and in all bird species during daytime [13].

Boasting 25 miles of walking trails, the island offers two lighthouses, terrific views of the sea and one of the most important migratory songbird habitats in the world (70 species stop over on the island each fall!).

«These animals were brought in alive and do not include those that died or were not found... [This] includes 36 [bird] species, many of which are songbirds or locally rare, sensitive, or migratory species; all are supposed to be protected by law from illegal take.»

A recent study by David Mizrahi of New Jersey Audubon and Jeff Buler of the University of Delaware, revealed that the Great Cypress Swamp is one of the two most important stopover sites in Delaware for neotropical migratory songbirds during the spring and fall migrations.

The pied flycatcher is a long - distance migratory songbird that winters in tropical (West) Africa and breads in Europe.

She first visited the Alaskan Arctic in 2001, and will return to the North Slope this spring and summer to continue a wildfire - mapping project and to set up a field study that will look at how warming - induced changes are affecting migratory songbirds that breed on the tundra each summer.