What's the difference between auk and razorbill?

Auk


Definition:

  • (n.) A name given to various species of arctic sea birds of the family Alcidae. The great auk, now extinct, is Alca (/ Plautus) impennis. The razor-billed auk is A. torda. See Puffin, Guillemot, and Murre.

Example Sentences:

  • (1) Now Google might be required to undo the changes – although Auke Haagsma, a lawyer advising the lobby group Icomp , which is critical of Google's policies, said that would be like trying to "unscramble the egg".
  • (2) AUK Broughton meet Lokomotiva Zagreb and Bala Town will face FC Differdange 03 of Luxembourg while Newtown AFC were paired with Maltese side Valletta.
  • (3) Renal coccidiosis is reported for the first time in an auk (Alcidae).
  • (4) It means "great" as in "great crested newt" or "great auk" or "Greater London".
  • (5) One hundred twenty-five walleye pollock (Theragra chalcogramma) were collected from Auke Bay, Alaska (USA) in 1985 and examined for histologic evidence of disease-causing infectious agents in 1987.
  • (6) Four of the species extinct in England also became extinct globally: the penguin-like great auk; Mitten's beardless moss; York groundsel, a weed only discovered in the 1970s; and the Ivell's sea anemone, last seen in a lagoon near Chichester.
  • (7) This work has shown that in many colonial nesting birds (for example auks, terns, gulls, gannets and penguins) brief calls of a half-second duration or less can have enough acoustic detail not only to serve as labels identifying the calling species but also to label the individual caller.
  • (8) And there on a shelf is a familiar outline, its beak heavy and lined with down-curving grooves – the only known specimen of a juvenile great auk.

Razorbill


Definition:

  • (n.) A species of auk (Alca torda) common in the Arctic seas. See Auk, and Illust. in Appendix.
  • (n.) See Cutwater, 3.

Example Sentences:

  • (1) In June, coastal birds such as choughs, kittiwakes and razorbills bred late and reared few young.
  • (2) A comparison of the hepatic drug metabolising enzyme system of razorbills and pigeons showed similar concentrations of cytochrome P-450, cytochrome b5 and comparable catalytic activities of cytochrome P-450-dependent monooxygenase, when assessed for HHDN epoxidase, PROD, EROD and the Phase II enzymes glutathiones-S-transferase, but were significantly lower, when compared with rats.
  • (3) At the Chesil beach centre a mile or so down the coast, assistant warden Angela Thomas was busy rescuing seabirds – guillemots, razorbills, and a single fulmar – battered by the storm.
  • (4) Rathlin has one of the UK’s largest seabird colonies, including guillemots, razorbills and puffins, and the lighthouse is home to the RSPB West Light Seabird Centre .
  • (5) Multiple forms of cytochrome P-450 were separated from the hepatic microsomes of untreated male rats, pigeons (Columbia livia), razorbills (Alca torda), puffins (Fratercula arctica), and rainbow trout (Salmo gairdnerii), using anion exchange chromatography and DEAE-cellulose.
  • (6) This tick infests nesting colonies of the common tern, roseate tern, sandwich tern, herring gull (northern and Mediterranean races), common cormorant, shag, razorbill, common murre, black-legged kittiwake, and probably other marine birds nesting nearby.
  • (7) Analysis of individual PCB-isomers and congeners in extracts of adipose tissue from N = 12 razorbills suggested that 4-chlorobiphenyl was subjected to metabolism.
  • (8) Organochlorine and mercury concentrations are reported for 252 eggs of Leach's storm-petrel (Oceanodroma leucorhoa), double-crested cormorant (Phalarocorax auritus), common eider (Somateria mollissima), common tern (Sterna hirundo), razorbill (Alca torda), common murre (Uria aalge) black guillemot (Cepphus grylle), and Atlantic puffin (Fratercula arctica) from the Bay of Fundy, the Gulf of St. Lawrence, and the open Atlantic shore of Canada during 1970-76.
  • (9) Inner Farne glories in thousands of them, including puffins, guillemots, shags, cormorants, razorbills, eiders, Sandwich terns, common terns and roseate terns.

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