(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.
Dipper
Definition:
(n.) One who, or that which, dips; especially, a vessel used to dip water or other liquid; a ladle.
(n.) A small grebe; the dabchick.
(n.) The buffel duck.
(n.) The water ouzel (Cinolus aquaticus) of Europe.
(n.) The American dipper or ouzel (Cinclus Mexicanus).
Example Sentences:
(1) To determine the visual threshold, the intensity of light was reduced, from 100 Lx (starting point) by 10 Lx steps in each trial, until the subject made 10 non-response trials (i.e., no dipper approach within 1.0 sec after the light onset) among 10 trials.
(2) An equation, X = Y divided by 0.0016, allows estimation of absolute density (X) from a relative density index (Y, dipper count).
(3) Rats were trained to make various head movements to get water at a 3 x 3 array of holes, each with a recessed water-baited dipper.
(4) However, the formation of N-nitrosoproline in cigarette smokers and snuff dippers proves that smoke and snuff have a measurable potential for the endogenous formation of carcinogenic nitrosamines.
(5) Several clinical studies carried out in independent laboratories show that the target organ damage induced by hypertension (left ventricular hypertrophy, cerebrovascular lesions) is more severe in hypertensive "non dippers" than in "dippers", possibly because of the different duration of exposure to high BP levels over the 24 hours.
(6) There were differences between the different brands of snuff as regards the severity of the snuff dipper's lesion produced.
(7) The amounts of NNK and NNN in tobacco and tobacco smoke are high enough that their total estimated doses to long-term snuff-dippers or smokers are similar in magnitude to the total doses required to produce cancer in laboratory animals.
(8) Age, awake blood pressure, predicted whole blood viscosity, lipid profiles or quantity of sleep did not differ between the hypertensive dippers or non-dippers.
(9) A difference between the European robin and the dipper suggests that habitat may also influence background abundance.
(10) Water-deprived rats to respond for access to a water-filled dipper under a 20 response fixed-ratio schedule.
(11) With uncrossed conditions (Lum tests on Lum pedestals or Chr tests on Chr pedestals), we obtained the conventional dipper function, that is, the function of threshold test intensity was highly asymmetric about zero pedestal intensity, and strong pedestals induced strong masking.
(12) Keep your eyes peeled for Spawning salmon or sea trout, kingfishers or dippers, or even an otter or a seal in the river.
(13) The conceptual use of "snuff dippers' lesions" is recommended instead of e.g.
(14) The relation of the clinical picture of snuff dipper's lesions to the histopathological appearance was studied in 114 male dippers aged 20-88 years.
(15) In these patients, left ventricular mass seems to be greater in non-dippers than in dippers among women, but not in men.
(16) However, a second pattern of a dipper-type swallow occurred, in which part of the bolus initially is positioned beneath the anterior part of the tongue.
(17) Strong evidence suggests that the NNN and NNK in snuff are at least partially responsible for the excess of oral cancer among snuff dippers.
(18) "Reverse"-cigar smokers (who hold the burning end of cigars within the mouth), dippers (who place a mixture of Khaini-tobacco and slaked lime into the lower gingival groove) and users of tobacco-containing toothpaste (gudakhu) in Orissa, India, were examined for precancerous oral lesions, the frequency of micronucleated cells at 3 different intra-oral sites, and levels of tobacco-specific nitrosamines (TSNA) in the saliva.
(19) The apparatus consisted of an enclosure with two levers, two loudspeakers (in different locations), and a dipper feeder.
(20) Rats were trained on a multioperant baseline to respond on three different levers that resulted in either a food pellet, the presentation of a water dipper or an infusion of morphine.