(1) The hemagglutinin subtypes that are prevalent in wild ducks were rare or absent in shorebirds and gulls.
(2) A large pool of avirulent influenza viruses are maintained in the wild ducks and shorebirds of the world, but we know little about their potential to become virulent.
(3) (i) Two partly overlapping reservoirs of influenza A viruses exist in migrating waterfowl and shorebirds throughout the world.
(4) In contrast, a disproportionate number of viruses from shorebirds and all avirulent H5N2 influenza viruses from city markets provided a gene constellation that in association with cleavable H5 HA were highly virulent in chickens.
(5) There is evidence that seeds of many species can remain viable in the intestinal tract of some shorebirds long enough to be transported several thousand miles.
(6) This 'trigeminal expansion' forms a visible bulge on the surface of the brains of the Scolopacidae but not on the brains of related shorebirds in the Charadriidae; this difference would be evident in fossil endocast material and could provide new information on the evolution of the avian brain.
(7) These viruses included examples of the predominant subtypes in wild ducks, shorebirds, and domestic poultry.
(8) More than 15 species of migratory shorebirds use the wetland, including the red-necked stint and the sharp-tailed sandpiper, which are both endangered.
(9) Although common in shorebirds, they are very rare or absent in wild ducks; additionally, H13 viruses have been isolated from a whale.
(10) Those from human strains represent a single lineage, whereas the avian genes appear to have evolved as two lineages--one comprising genes from many kinds of birds (e.g., chickens, turkeys, shorebirds, and ducks) and the other comprising only genes from gulls.
(11) Shorebirds and gulls harbor influenza viruses when sampled in the spring and fall.
(12) Similarly all families tested in the shorebird order (Charadriiformes) are unique in having an enzyme that moves 55 percent as fast as the chicken enzyme.
Wader
Definition:
(n.) One who, or that which, wades.
(n.) Any long-legged bird that wades in the water in search of food, especially any species of limicoline or grallatorial birds; -- called also wading bird. See Illust. g, under Aves.
Example Sentences:
(1) Wild parrots, waterfowl and migratory waders appear to present a minimal threat.
(2) The Ukip leader, Nigel Farage, made a more successful visit during the floods, donning waders to reach stranded residents, and his party is beginning to get a foothold in Somerset.
(3) Photograph: David Levene for the Guardian Standing in green rubber waders in a hastily emptied living room, thigh-deep in foul-smelling water, Steve, 56, had explained how he, his wife Kay, their daughter, her husband Ross, and their daughters now four and two, had moved in just weeks before, on 20 December.
(4) Another resident of the converted 18th century mill, John Bonham, arrived back from the shops in waders.
(5) "He's very helpful, is Jack," says Cummerford, pulling on his waders for a trip out.
(6) Men and women in hi-vis jackets and blue chest-high waders fill wheelbarrows with woodchips and spread them on the sodden riverbank.
(7) Eating dead birds is preferable to dumping them , as some shoots do, but this beautiful, elusive wader is rapidly declining .
(8) Stone-curlews (also known as ‘thick-knees’) are members of the wader tribe (though I have never seen a stone-curlew actually wade); and are mainly nocturnal – hence the large eyes.
(9) The speed of needle-fish, together with their tendency to leap out of the water when bright lights are used for fishing and at other times, occasionally result in deep, penetrating injuries to swimmers, waders, and, in particular, to fishermen who are working at night from small canoes.
(10) The effect of chronic endurance exercise on the emotionality of male albino rats was studied in five experimental groups: Controls, Runners, Walkers, Swimmers and Waders.
(11) On Tuesday, he was having to don waders and pick his way through waist-deep water to get to and from his front door.
(12) Clouds of waders have risen up from the rapidly disappearing mud: a tight flock of several thousand dunlins , together with a few hundred of the larger knots, which spend the winter here on the estuary.
(13) Migrant waders accumulate pollutants from their marine moulting and wintering grounds in Western Europe.
(14) On waders this genus is abundant and generally takes the dominant position in frequency, while members of the superfamily Amblycera remain scarce components in the simple communities constituted by the parasites (fig.
(15) This nomadic wader has been in the area for several weeks and seemed very much at home in this temporary wetland.
(16) The sun compass could be used for great circle orientation, but observed spring flight trajectories of high-arctic waders and geese seem to conform with rhumbline routes.
(17) I feel faint and wish I was wearing fewer clothes under my protective white suit and weighted plastic thigh-high waders.
(18) You park in the school car park, pull on your waders, and cross the bridge over the River Parrett by the King Alfred pub, its backroom piled high with boxes of biscuits, Pot Noodles, jars of instant coffee and tins of soup and beans, marked Somerset Levels Relief Donations .
(19) Either way, it's a jarring moment of decency in a carnival of exhibitionism; a disconcerting burst of modesty at a brazen flesh disco, like Liberace turning up at Studio 54 in duffle coat and waders.
(20) Walkers and Waders received comparable handling and exposure to the psychological aspects of the treadmill running and swimming routines but were not physically trained.