(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.
Birder
Definition:
(n.) A birdcatcher.
Example Sentences:
(1) Birders the world over know that the best birds are often found in the most unlikely places, with sewage farms, rubbish tips and yes, cemeteries, all more promising than you might imagine.
(2) Following the trails through the campsite’s huge garden is a fascinating wander in itself, especially for birders.
(3) With the harrier comes what they call ‘the pig circus’ – us lot, the RSPB, the birders, the wildlife-crime copper.
(4) "He had no education but was a very intelligent man, a great walker and birder, a curmudgeonly leftwing atheist who even back then wasn't homophobic or racist.
(5) The estuary is a magnet for birders who delight in spotting both resident and migrant species.
(6) It really identified what a valuable resource Malta could be for birds and birders,” he said.
(7) The song-filled northward migration in mid-May has evolved into a famous birder festival.
(8) This autumn they have been recorded the length of the islands, from the north of Lewis, where a chimney swift was seen for several days, to Barra, where a scarlet tanager – a first for Scotland – brought birders flocking to the island at the beginning of the month.
(9) Birders Against Wildlife Crime was made for you, Sandy, so you can agitate for more legislative powers against wildlife criminals and crimes.
(10) Malta, a hotspot for illegal bird hunting, became the focus of a campaign by birders including BBC broadcaster Chris Packham in May , and the recent nomination of a member of the Maltese government as the EU’s new environment commissioner sparked fresh controversy over the country’s wildlife crime record .
(11) The park also offers regular guided bird walks for beginner birders of all ages.
(12) The researchers drew on more than a century of observations from birders as well as a 40-year historical record from the US Geological Survey, combining the data with 17 climate models.
(13) And as my old friend David Lindo – aka The Urban Birder – always says, to see birds in any city, you just need to look up!
(14) Barra came up with a grey-cheeked thrush, while a hermit thrush spotted on North Uist provided splendid photo opportunities both for local birders and for those who braved the weather to fly to the islands for a chance to see it.
(15) But while the arrival of unexpected rarities is a matter of excitement for many birders, with truly dedicated twitchers occasionally going so far as to charter planes in the hope of adding a particular species to their lists, there is a sadness about these sightings, for the outlook for the majority of birds when driven so far off course by storms is not bright.