(n.) Orig., a chicken; the young of a fowl; a young eaglet; a nestling; and hence, a feathered flying animal (see 2).
(n.) A warm-blooded, feathered vertebrate provided with wings. See Aves.
(n.) Specifically, among sportsmen, a game bird.
(n.) Fig.: A girl; a maiden.
(v. i.) To catch or shoot birds.
(v. i.) Hence: To seek for game or plunder; to thieve.
Example Sentences:
(1) The birds were maintained at a constant temperature in, dim green light.
(2) Unlike most birds of prey, which are territorial and fight each other over nesting and hunting grounds, the hen harrier nests close to other harriers.
(3) No vaccination reactions were noted, although most birds involved in the trials were carrying Mycoplasma spp.
(4) Precipitating antibodies were found in both lines; they first appeared 7 days after inoculation in P-line birds and 14 days after inoculation in N-line birds, but thereafter there was no difference between the two genetic lines.
(5) The results indicate that, regardless of the photoperiod, no clear functional relationship can be found between the avian pineal gland and thyroid function, although a transitory increase in T4 levels was seen in both pinealectomized and sham-operated birds shortly after the operations.
(6) Differences between parental and nonparental birds in VIP profiles were detected in the ventral portion of the infundibular region.
(7) The enterococcal population of the 'dosed' birds contained a greater proportion of Enterococcus faecium than did that of the control birds while the converse was true for Ent.
(8) Somewhat surprisingly then, in view of the mechanisms in mammals, birds do not seem to use this seasonal message in the photoperiodic control of reproduction.
(9) After 32 days of feeding, body weight, liver weight and egg production decreased in birds fed lead while kidney weights increased.
(10) Phyla as diverse as insects, birds, and mammals possess distinct HRAS and KRAS sequences, suggesting that these genes are essential to metazoa.
(11) Changes in brain size are compared with observations found in other domesticated birds.
(12) The presence in lamprey kidney of a loop which is similar to Henle's loop in mammals and birds indicates that the development of the system of osmotic concentration conditioned by the formation in the kidney of the medulla and from a sharp increase in renal arterial blood supply.
(13) We simply do whatever nature needs and will work with anyone that wants to help wildlife.” His views might come as a surprise to some of the RSPB’s 1.1 million members, who would have been persuaded by its original pledge “to discourage the wanton destruction of birds”; they would equally have been a surprise to the RSPB’s detractors in the shooting world.
(14) Water restriction of HYD birds for 5 days as adults stimulated tubule hypertrophy but not to the same extent as the chronic regimen and with no evidence for hyperplasia.
(15) Thus, the possibility exists that androgen secretion in some chelonian systems may exhibit a high degree of LH specificity like that of mammals and birds.
(16) 1 After the injection of labelled procaine and lidocaine in mice, the location and concentration of radioactivity was demonstrated by autoradiographical methods.2 An accumulation in some endocrine cells such as the pancreatic islets, the hypophysis, the adrenal medulla and certain cells of the thyroid (probably representing the calcitonin-producing parafollicular cells) was shown.3 After the injection of [(14)C]-procaine in chicks, an accumulation of radioactivity was observed in the ultimobranchial gland (which produces calcitonin in birds), but not in the thyroid.4 Radioactivity was also shown to be strongly concentrated in structures containing melanin, such as the pigment of the eye, skin and hair and in some organs involved in the metabolism and excretion of these drugs.
(17) Respiration frequency increased during exposure to 35 (four birds) and 40 degrees C (six birds) in the normally hydrated quail, while in the dehydrated quail, respiration frequency increased only in three birds during exposure to 35 degrees C, and four birds during exposure to 40 degrees C, the frequencies were lower during dehydration.
(18) A man in New Zealand suggested that they need to rid the country of cats to protect their native birds.
(19) Birds showed evidence of increased tolerance, with age, to phenylpropanolamine but not to monensin.
(20) Again, changes in birds fed CTN + OA for 7 days were similar but milder.
Waterfowl
Definition:
(n.) Any bird that frequents the water, or lives about rivers, lakes, etc., or on or near the sea; an aquatic fowl; -- used also collectively.
Example Sentences:
(1) The virus isolates from waterfowl included paramyxoviruses (PMV-1, -4, and -6) and influenza viruses of 13 antigenic combinations.
(2) In contrast to widespread distribution of PCBs in the environment, PCT residues were seldom found in samples from aquatic environments such as water and sludge and waterfowl and fish, and, if found, the levels of PCTs were so low as to be practically negligible.
(3) However, because expended lead shot ingested unintentionally by waterfowl and other avian species is fatal, the US Fish and Wildlife Service mandated exclusive use of steel shot for waterfowl hunting beginning in 1991.
(4) Predominant HA and NA subtypes were typical of AIVs commonly associated with waterfowl.
(5) Wild parrots, waterfowl and migratory waders appear to present a minimal threat.
(6) The prevalence of influenza varied greatly among the common waterfowl species: mallards 42%, black ducks 30%, blue-winged teal 11%, wood ducks 2%, and Canada geese 0%.
(7) A public health survey identified a combination of waterfowl wastes and meteorological events as the explanation for the high bacteria counts.
(8) Virus-isolation attempts made on cloacal and tracheal swabs from 4,466 birds and small rodents within the quarantined areas and 1,511 waterfowl in nearby Maryland yielded only a single H5N2 isolate from a pen-raised chukar in Pennsylvania.
(9) Five incidences of bird mortality in Georgia and West Virginia (USA) involving migratory waterfowl, cranes, raptors, corvids and songbirds were investigated during the first 6 mo of 1988.
(10) Six-week-old white Pekin ducks were inoculated intravenously with duck plague virus (DPV) isolated from wild waterfowl.
(11) A diverse population of bacteria was recovered from the waterfowl, and representative strains could be classified into 21 phena.
(12) The ability of AIV to persist in surface water was also evaluated using samples collected from varied waterfowl habitats in coastal Louisiana.
(13) This increase could result in a greater number of harvested birds being discarded, or a change in the attitudes of waterfowl hunters towards black ducks.
(14) Black ducks (anas rubripes) were the most heavily infected of the 14 species of waterfowl sampled and possibly hematozoa may act as a limiting factor on populations of this duck.
(15) During the latter stages of the lethal H5N2 influenza eradication program in domestic poultry in Pennsylvania in 1983-84, surveillance of waterfowl was done to determine if these birds harbored influenza viruses that might subsequently appear in poultry.
(16) Cloacal and tracheal swabs were collected from 1389 hunter-killed ducks in Cameron Parish, Louisiana, during the 1986 and 1987 waterfowl seasons.
(17) Thus, it may not be possible to assess microbiological impact of migratory waterfowl by using and "indicator" species since avian fecal pollution could not be distinguished from animal and human fecal pollution.
(18) In the years 1980-1984, one paramyxovirus type 4 and 11 influenza viruses were isolated from cloacal swabs collected from migratory waterfowls in Fed.
(19) Seventy-six type A influenza viruses recovered from waterfowl in Wisconsin, California, South Dakota, Florida, Texas, Alabama, and Nebraska were tested for virulence in chickens.
(20) We hypothesize that feeding waterfowl are ingesting small particles of the highly toxic, incendiary munition P4 stored in the bottom anoxic sediments of shallow salt marsh ponds.