What's the difference between beaver and duck?

Beaver


Definition:

  • (n.) An amphibious rodent, of the genus Castor.
  • (n.) The fur of the beaver.
  • (n.) A hat, formerly made of the fur of the beaver, but now usually of silk.
  • (n.) Beaver cloth, a heavy felted woolen cloth, used chiefly for making overcoats.
  • (n.) That piece of armor which protected the lower part of the face, whether forming a part of the helmet or fixed to the breastplate. It was so constructed (with joints or otherwise) that the wearer could raise or lower it to eat and drink.

Example Sentences:

  • (1) Discussions were analyzed using the Hill Interaction Matrix and modified Beavers-Timberlawn Family Evaluation Scales.
  • (2) The report said beavers could improve fish stocks and their dams could help prevent flooding by slowing down the flow of water from high ground.
  • (3) But farmers and landowners have expressed concern about the impact of the species on rural businesses after reports of "significant impacts on agricultural land" in areas of Tayside where a colony of around 150 beavers has become established .
  • (4) The beavers have felled most of the bankside birch, sycamore and other trees they like to eat and use for their dams.
  • (5) On Wednesday it was reported that a beaver on the river had given birth to three young.
  • (6) Studies have been made on the peroxidase activity of metmyoglobins in animals from various ecological groups--the horse Equus caballus, cattle Bos taurus, beaver Castor fiber, otter Lutra lutra, mink Mustela vison and dog Canis familiaris.
  • (7) Scotland’s powerful salmon fishery and farming lobbies have repeatedly resisted or criticised beaver reintroductions, including blocking a plan for a second official release scheme at Insh Marshes national nature reserve near Kingussie in the Cairngorms – only 35 miles north of Loch Rannoch.
  • (8) The relationships of retinal drusen, retinal pigmentary abnormalities, and macular degeneration to age and sex were studied in 4926 people between the ages of 43 and 86 years who participated in the Beaver Dam Eye Study.
  • (9) At least two centuries after the species was hunted to extinction in the UK, three beaver families have been released into three lochs in forest unpopulated by people near the Sound of Jura in Argyll.
  • (10) FoE claimed all this was “a significant shift from the government’s previous position which stated that the beavers could not be allowed to remain and should be removed.” Alasdair Cameron, an FoE campaigner, said: “We’re delighted that the government appears to be listening to local people who want these beavers to swim freely in their rivers.
  • (11) In England, beavers are back on the river Otter , and otters on the river Trent.
  • (12) We had two objectives in this study: 1) to determine if patients who might benefit from exercise training could be selected based on resting respiratory function measurements; 2) to determine if the work rate at which the metabolic acidosis starts to develop could be reliably determined, non-invasively, by a simple modification of the recently described V-slope method of Beaver et al.
  • (13) A new pair of beavers has been released into a river in Devon to boost the genetic diversity of England’s only wild population of the mammals.
  • (14) On the thigh of an Europa Beaver, Castor fiber L., dead after 8 years of captivity, a candidiasis has been found due to Candida albicans.
  • (15) The prevalence of Giardia infection in juvenile and adult live-trapped muskrats was similar (92.5 and 94.4%, respectively), but the prevalence in juvenile live-trapped beavers (23.2%) was significantly greater than that seen in the adult animals (12.6%).
  • (16) It was in a bar at the LSE called [cue dramatic pause]… the Beaver's Retreat."
  • (17) MisterRed 07 May 2014 6:46pm Leeds: LSD and a couple of E's 77E112E1240H 07 May 2014 8:34pm Rotterdam - Bring Your Own Beaver.
  • (18) Dairy farmer Dave Lawrence took the Guardian to the spot where the beavers are usually seen, close to an island in the river thick with nettles, willow and thistles.
  • (19) Facebook Twitter Pinterest Come spring otters will hunt the vulnerable baby beaver kits.
  • (20) Historically it was one of the first areas of western Canada visited by European explorers, travelling over the Methye Portage to reach the Clearwater and Athabasca rivers, rich sources of the furs that were shipped back to England to feed the demand for beaver hats – the first resource exploitation.

Duck


Definition:

  • (v. i.) To drop the head or person suddenly; to bow.
  • (n.) A pet; a darling.
  • (n.) A linen (or sometimes cotton) fabric, finer and lighter than canvas, -- used for the lighter sails of vessels, the sacking of beds, and sometimes for men's clothing.
  • (n.) The light clothes worn by sailors in hot climates.
  • (v. t.) To thrust or plunge under water or other liquid and suddenly withdraw.
  • (v. t.) To plunge the head of under water, immediately withdrawing it; as, duck the boy.
  • (v. t.) To bow; to bob down; to move quickly with a downward motion.
  • (v. i.) To go under the surface of water and immediately reappear; to dive; to plunge the head in water or other liquid; to dip.
  • (v. t.) Any bird of the subfamily Anatinae, family Anatidae.
  • (v. t.) A sudden inclination of the bead or dropping of the person, resembling the motion of a duck in water.

Example Sentences:

  • (1) The move was confirmed by a Lib Dem aide, who said Tory claims to be green were "already a lame duck and are now dead in the water".
  • (2) The temperature of the anterior and middle hypothalamus of conscious Pekin ducks was altered with chronically implanted thermodes.
  • (3) Previous studies in the rat, mouse and duck had suggested that agents present in cigarette smoke might induce a cytochrome P450-mediated detoxication pathway, leading to protection against aflatoxin-induced primary liver cancer.
  • (4) Prolactin plasma concentrations decreased rapidly at the end of incubation in ducks which successfully hatched young as well as in unsuccessful incubators.
  • (5) From ducks A. laidlawii, M. anatis and various unclassified strains were isolated, among these M. anatis and unclassified arginine splitting mycoplasma strains proved to be pathogenic.
  • (6) The early phases of hepadnaviral infection were studied in primary duck hepatocyte cultures.
  • (7) In intact ducks changes in blood flow were recorded as changes in digital subcutaneous tissue temperature.
  • (8) But on Sunday night it was hard to duck the euphoria.
  • (9) In the Commons on Monday , John Whittingdale, the culture secretary who only in February chaired the committee that concluded “No future licence fee negotiations must be conducted in the way of the 2010 settlement”, ducked the invitation to explain how exactly the same thing had just happened again.
  • (10) He was never an intellectual; at Oxford, he did no work, and was proudest of playing squash and cricket for the university, though against Cambridge at Lord's he failed to take a wicket and made a duck.
  • (11) Adult mallard ducks fed 0, 2, 20, or 200 ppm of cadmium chloride in the diet were sacrificed at 30-day intervals and tissues were analyzed for cadmium.
  • (12) Typical herpesviral capsids and virions were seen in negatively-stained preparations of duck embryo fibroblasts.
  • (13) To study the effect of air sac pressures, a controllable pressure difference was produced between the air sac orifices of fixed duck lungs.
  • (14) Images of dead ducks in oil sands tailings pond have been plastered on billboards in Denver, Portland, Seattle and Minneapolis.
  • (15) You cannot now duck the fact that we have an electoral system which is completely out of step with the aspirations and hopes of millions of British people," he said.
  • (16) Three Newcastle disease viruses (NDV) isolated from wild ducks in Japan were evaluated for their biological activities, pathogenicity and immunogenicity against one-day-old chickens.
  • (17) With these synthetic peptides, radioimmunoassay systems for dog, rat, and duck C-peptides were developed.
  • (18) On the basis of the antiviral action of sulfated polyanions in human immunodeficiency virus and other viral infections, we studied the effect of dextran sulfate and heparin on duck hepatitis B virus infection.
  • (19) The (Na+ plus K+)-ATPase activities in salt gland homogenates increased 3- to 4-fold after saline treatment of ducks for 3 weeks.
  • (20) Compared with intact ducks, neither decerebration nor brain stem transection at the rostral mesencephalic (RM) level had any effect on development of diving bradycardia, or heart rate at the end of two-min dives.