Sentences with phrase «house sparrows»

On average, 61.9 percent of the Italian sparrow's DNA comes from house sparrows and 38.1 percent from Spanish sparrows, the researchers reported June 14 in Science Advances.

ABOUT THAT LIGHT Another reason for caution in lighting up the night comes from a study of house sparrow difficulties in fighting off West Nile virus, which mosquitoes biting the birds can then spread to people.

In some parts of the Italian sparrow's genome, house sparrow genes have been purged, leaving only Spanish sparrow DNA.

[2] And even for House sparrows, which were among the three species of concern (and, apparently, in decline throughout the UK's urban areas), Baker et al. note that their «numbers appear to be stable in Bristol as a whole.»

The inexpensive mixes produce a lot of waste and generate very little in bird visitation — and those that do come tend to be «undesirable ones,» like house sparrows and grackles.

I would support humane euthanasia of feral cat colonies in order to protect the birds, especially where the feral cats are chowing down on rare birds instead of common house sparrows.

The are an invasive species like European House sparrows and starlings.

When it comes to estimating impacts, though, Baker et al. use figures of 332 — 1,245 House sparrows killed by the cats of ST5277.

Based on these numbers, then, we can estimate the yearly predation rate of House sparrows at ST5277 to be roughly 125 — well short of the minimum proposed by Baker et al. (and just a quarter of their intermediate rate).

Their genomes average 61.9 percent house sparrow and 38.1 percent Spanish sparrow.

Referring to the estimated 30 percent of House Sparrow mortality attributed to cat predation in the English Village study, Gary Patronek emphasizes the importance of viewing such predation in the larger context.

Hey, dream weaver, if this gorgeous textile headboard by House Sparrow Nesting doesn't inspire you to macramé, nothing will.

In the last 10,000 years, house sparrows accompanied early farmers on migrations into Europe.

When house sparrows migrated from the Middle East to Europe (geographic range, blue), they mated with Spanish sparrows (red) to form Italian sparrows (yellow).

«We find that house sparrows living in the city are suffering from more stress than those living in the countryside, and we link this to differences in air quality and diet,» says Amparo Herrera - Dueñas, who completed this work in collaboration with the Department of Zoology and Physical Anthropology at the Complutense University of Madrid, Spain.

She adds, «During this project, I observed that the breeding season is particularly challenging for adult house sparrows but unfortunately, I do not have information on how their offspring are coping.

«House sparrow decline linked to air pollution and poor diet: City sparrows suffer from more stress than their country cousins, find Spanish researchers, especially during breeding season.»

Despite being well - adapted to urban life, house sparrow numbers are falling.

She adds, «If our cities are unhealthy for birds, which is what our study is suggesting, then as their neighbors we should be concerned because we are exposed to the same environmental stressors as house sparrows.»

Harriet Horton - Suzanne and I (Taxidermy house sparrows, 2 mm glass, oxidised copper, blue marble, 8 mm ice blue neon lighting) 2015

For example, the common house sparrow (Passer domesticus) has perching - type feet, and it indeed spends a lot of time perching on trees, other plants and structures in different environments.

But Kernbach said she found no signs in her experiment that corticosterone controlled the results she saw in house sparrows.

Churcher and Lawton (1987) concluded that cats were responsible for 30 % of the mortality of House Sparrows (Passer domesticus) in an English village.

SAN FRANCISCO — Even moderate light pollution can roughly double the time a house sparrow remains a risk for passing along the worrisome West Nile virus.

House sparrows, about as widespread across the United States as artificial lighting itself, make a useful test species for a first - of - its - kind study of how night illumination might contribute to disease spread, said Meredith Kernbach,...

Many experts do fear the great homogenisation of nature, a world taken over by a few mongrel and ubiquitous species — brown rats and house sparrows, superweeds and cultivated crops.

(The society also brought the house sparrow to our shores, a pair of which nest in a vent on the front of my other, human, next - door neighbor's house.)

Tracking the house sparrow's spread in Africa yields secrets of these invaders — a taste for novel foods, for example.

The bird's origin story starts in the Middle East, where one of its parents, the house sparrow (Passer domesticus), is native.

Oslo's Sætre and colleagues are studying one such species, the Italian sparrow, a blend of Spanish sparrows and house sparrows.

There, the house sparrows encountered Spanish sparrows (Passer hispaniolensis), found in Europe and northern Africa.

In the Alps, Italian and house sparrows can sometimes breed, though genetic evidence suggests they rarely do.

The scientists targeted 15 bird species, including yellow - billed cuckoos, red - headed woodpeckers, and house sparrows, which eat cicadas.

In rural restaurants, the three predominant species he saw were declining in numbers in the countryside: house sparrows, white wagtails and Eurasian tree sparrows.

The white wagtail and the house sparrow, for example, both cafe regulars, are closely related.

House sparrows, about as widespread across the United States as artificial lighting itself, make a useful test species for a first - of - its - kind study of how night illumination might contribute to disease spread, said Meredith Kernbach, an eco-immunologist at the University of South Florida in Tampa.

Among the genes that Italian sparrows always inherit from the house sparrow are those that repair DNA.

The researchers find that Italian sparrow populations from different islands probably result from independent hybridization events between their parent species, the house sparrow and Spanish sparrow.

The Italian sparrow always inherits certain genes from the house sparrow, regardless of whether the house or Spanish sparrow contributes the majority of genes to the hybrid.

These house sparrow genes are likely required to form a functional hybrid.

«Genes that are always inherited from the house sparrow are probably important in order for the hybrid to survive and reproduce.

«Predators (cats, hawks, even dogs) can easily find birds at feeders, dirty feeders can spread disease, feeders can attract non-native, invasive species (house sparrows, brown - headed cow birds, and starlings for instance) which can be detrimental to native birds, and birds might fly away quickly and crash into nearby windows.»

Now we're up to an average of 8.7 House sparrows brought home annually by the cats at this site.

Of the birds returned home, two were House sparrows.

I looked at House sparrows for the 1 km2 site designated as ST5277.

Most prey animals are native species, not such introduced pests as house mice, rats, pigeons, or house sparrows.

However, the reality is hundreds of non-native species have taken hold in this country — including Mute Swans, House Sparrows, and Starlings — and killing our way out of the problem with those species has never been a humane or effective solution.