Sentences with phrase «birds with»

With nesting sites holding unimaginable numbers, hunters slaughtered the birds with great efficiency.

Makarevitch I, Martinez - Vaz B. (2017) Killing two birds with one stone: Model plant systems as a tool to teach the fundamental concepts of gene expression while analyzing biological data.

Now if we did send a probe to AC it may be better to have the main craft as a bus which drops off a probe or leaves one attached to the first stage to go onto proxima with the second stage going onto AC, two birds with one stone.

While the genome editing capabilities without cultured primordial germ - cells is limited and a slower process, the optimization of methods for handling embryos and caring for engineered birds will be instrumental to an efficient de-extinction program as well as genetic rescue of other birds with similar parenting behaviors to pigeons.

Today, birds with iridescence, such as male birds of paradise, use their flashy colors to attract mates.

Notable examples include Hawaiian birds with avian malaria (alien vector: mosquitoes), amphibians with Chytrid fungus, and bats with white - nose syndrome.

This may explain why, for example, birds with small relative brain sizes, such as pheasants, find it harder to avoid a moving car than those with larger brain size, such as magpies.

They found that birds with larger brains relative to their body size survived better in nature than birds with small brains.

Species characterized by strong single peaks in vocal activity already tended to reach those peaks later than other species, perhaps because birds with tightly constrained timing are less able to adapt to changing climatic conditions.

He swatted birds with his hat, pulled the tails of iguanas and sat on giant tortoises.

The increased foraging success of birds with a penchant for using tools may then have led to natural selection acting to promote the genetic factors underlying that advantageous tendency.

Attempts to discourage the birds with owl decoys on utility poles have failed; when their nests are removed, they return quickly and build again.

Birds with blunter, straighter bills were probably more adept at handling tools for foraging and over time those features evolved, McGowan said.

«They brought their caged pet birds with them — if not physically, then they brought the demand,» Shirley says.

The urban environment could be exerting evolutionary pressures on the bird songs, meaning that birds with a higher - pitched repertoire are more successful at mating.

One treatment now in testing involves nebulizing snakes individually in tanks, a drug - delivery method sometimes used on birds with respiratory problems.

Birds with reduced FOXP2 were less accurate in copying the songs and their syllables were more «wobbly,» meaning they varied each time they were produced, the researchers discovered.

To test this theory, Peter Lipp of the University of Zurich and his colleagues outfitted a number of birds with miniaturized GPS devices that tracked their movements (see image).

«What it is that gives birds with longer beaks an advantage at the feeder sites?»

«Those species that are most vulnerable to rats are often the ones that are the most difficult to count» says Steffen Oppel, a Conservation Scientist with the RSPB who recently tested a new approach to count the invisible birds with colleagues from SPEA in Portugal.

Ultimately, however, such an approach will be subjective when it comes to distinguishing between birds with very similar sounding calls and songs.

A study shows that birds with big brains have lower levels of a key stress hormone.

The birds with flamboyant beaks are one of nature's most adept hybrid vehicles, employing similar flapping motions to propel themselves through air as through water.

But the new study hints that the creature was active in the daytime, because no extant birds with glossy black plumage are active at night.

The research team, co-led by Dr Rollins and Professor Bill Sherwin of UNSW, in collaboration with the Department of Agriculture and Food in Western Australia, studied the DNA of 279 starlings near Munglinup in the south east of Western Australia and identified birds with a novel mitochondrial genome sequence (Haplotype H).

After 1997, when all the chickens in Hong Kong were destroyed after H5N1 bird flu killed six people, Chinese producers decided to take no chances, and started vaccinating birds with inactivated H5N1 virus.

Within the larger findings is another surprise: male birds with multiple mates actually tend to be duller in color than their female counterparts.

Pigments in the feathers of birds with dark plumage may help the creatures rid their bloodstream of some toxic metals, thereby helping them better survive in urban or other polluted areas, a new study suggests.

They conclude that ultraviolet markings may be clearly visible under a range of lighting conditions, but only to birds with the so called UVS type of ultraviolet vision.

Today in the Proceedings of the Royal Society B, the researchers report that birds with stronger brain asymmetries tended to be more successful.

Even in birds with small bills, he says, there's evidence that «the bill is still a site of heat exchange and therefore under some selective forces in terms of thermoregulatory constraints.»

Some have even beaten the birds with bamboo sticks and pelted them with stones.

The team also found that birds with genetic variants for longer beaks were more frequent visitors to the feeders than those birds which did not have that genetic variation.

The scientist notes that to discover the reason for the high percentage of poisoning in this species, they will start to fit birds with transmitters.

Killing two birds with one stone?

The birds with salmon access had more marine - derived nutrients and were 20 times more likely to attempt multiple broods.

However, all Columbea species in the TENT were in the previously defined Metaves, supporting the hypothesis of two parallel radiations of birds with convergent adaptations (25).

The slingshot that you launch the birds with was actually introduced fairly late in the process.

She saw that other wildlife researchers were tracking birds with small solar panels.

Do birds with different types of beaks eat different things?

What is more, birds with no experience stealing from hidden reserves belonging to other birds moved their food supply significantly less often than did thieving birds, regardless of whether they were watched.

But ducks, unlike other birds with similar structures, have six - sided, not square - shaped, melanosomes.

The drama of those poses earned Audubon criticism from his contemporaries, who compared his «lurid» birds with those of the Scottish - American ornithologist Alexander Wilson.

Now, researchers reporting April 21 in Current Biology suggest that abrupt ecological changes following a meteor impact may have been more detrimental to carnivorous bird - like dinosaurs, and early modern birds with toothless beaks were able to survive on seeds when other food sources declined.

As a physician, this covers two birds with one stone.»

Great tinamous are brown birds with white throats and bellies, generally around 40 centimetres long.

A new study finds that the pinkish - gray birds with striking blue wing patches are not only aware that others may be watching while they stash their nuts and seeds for the winter, but also might be surreptitiously listening, too.

They have evolved bellow - like organs to blast visiting birds with pollen.

The effects of waste on larger animals, including birds with stomachs full of plastic, have garnered significant attention, he says, but «when you start altering [whole] populations,... that's when you get these true impacts.»

For example, the medium ground finch (G. fortis) species includes some birds with blunt beaks and others with pointed ones.