Sentences with phrase «do migratory birds»

Why do migratory birds undertake these journeys, and how do they find their way from one location to the next?

Do migratory birds have a preference for a specific temperature range?

Not exact matches

The exhibit, done in collaboration with the University of Washington, the Smithsonian Migratory Bird Center, Seattle University, Seattle Audubon, and the Specialty Coffee Industry, includes videos, photographs, and coffee tastings from local roasters.

Many of them carry certified organic, Rainforest Alliance, or Smithsonian Migratory Bird Center (SMBC) Bird - Friendly ® (BF) coffee, some do not.

choice of bird, as many populations are not migratory, and those that do winter in the northern tropics are found in lowlands and avoid higher elevations, where most coffee would be grown.

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.

The brains of migratory birds tend to be smaller than those of similar - sized species that do not migrate.

Many of the flightless birds do not leave eastern Antarctica, and they encounter few migratory birds.

Migratory birds really present a real conservation challenge because they don't respect national boundaries.

One of the interesting things to study, we know Central Park is important for migratory birds and we know that they depend upon the food resources that are here, but no one has ever really done a systematic survey of what actually they are feeding on, like we have never done a canopy study of all the invertebrates up in the trees to see what's coming out when and what is the predominant part of the diet of different birds and sort of quantifying; but what they have done — people have done — with shore birds and sort of gauging, weighing them, you know, catching them, weighing them, seeing how much weight they gain over time while they are rather resting and feeding before they depart on their northern trip.

That migratory birds were to blame in this crash suggests that more research needs to be done into bird - detecting radar or other onboard strategies to prevent hits, says Begier.

To do that, Dove tapped Peter Marra, an ornithologist at the Smithsonian Migratory Bird Center in Washington, D.C. Marra studies bird migrations in part by doing a sophisticated chemical analysis of feathBird Center in Washington, D.C. Marra studies bird migrations in part by doing a sophisticated chemical analysis of feathbird migrations in part by doing a sophisticated chemical analysis of feathers.

Researchers don't know for sure what this receptor would be, but cryptochrome — a protein known to be involved in some animals» circadian rhythms — has been found in the eyes of several migratory birds and is a prime candidate.

Still, he argues, differences in cluster N activity between migratory and nonmigratory birds indicate it does have a role in navigation, and the new data fit predictions of the visual magnetic perception theory.

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.

The epic seasonal voyages of migratory birds have long confounded scientists — now satellite tracking technology is revealing precisely how they do it

«When the migratory birds breed, they have moved away from many diseases and therefore do not need an immune system that is equally varied.

«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.»

Citing three cases having nothing to do with cats (or any other predators), Hatley argues that such «cases raise the question of whether a person violates the MBTA when that person releases a cat into the wild, and that cat kills a migratory bird.»

[FN73] Further, the court declared that the MBTA can be applied to impose criminal penalties on those who did not intend to kill migratory birds, because the guilty act alone was sufficient to make out the crime.

Wind, while great, would not do migratory flocks of birds that well.

Alternative energy is a joke, which doesn't take into account anything other than the fact that they burn clean as the so - called environmentalists want to believe that the only problem that exists today is global warming (nevermind the other problems exist, nevermind that mining is ruining our world as well, nevermind that cell phone towers are killing between 5 and 50 million migratory song birds every year or that dams are killing the salmon off, no none of this matters apparently).

Comparing 100 European migratory bird species — some migrate sooner, some do not, and probably the ones that winter in Africa are most vulnerable to climate change But then of course we have to exclude the possibility that it's just a flycatcher phenomenon — there's always one that oversleeps, right?

This study showed that in fact many European migratory birds do indeed advance the timing of their spring migration in response to climate change [so another study in favour of climate (temperature) over circadian rhythm for migration timing] and that it may actually be the long - distance migratory birds that show better adaption:

Endangered species associated with these ecosystems, including manatees and marine turtles, could also be at risk, along with migratory birds (Government of Seychelles, 2000; Republic of Ghana, 2000; République Démocratique du Congo, 2000).

Additionally, migratory birds and insects are now arriving in their summer feeding and nesting grounds several days or weeks earlier than they did in the 20th century, according to the EPA.

«These provisions do not apply to migratory bird species that are protected under the federal Migratory Birds Convention Acmigratory bird species that are protected under the federal Migratory Birds Convention AcMigratory Birds Convention Act.»