What's the difference between birdwatcher and twitcher?

Birdwatcher


Definition:

Example Sentences:

  • (1) Roadford Lake with over 730 acres for watersports, fishing and birdwatching plus paths and bridleways.
  • (2) A great bolthole for a birdwatching (01496 850010, islaybirding.co.uk ), hiking or whisky-tasting break.
  • (3) They also organise tours galore: caving, salmon fishing, hiking, birdwatching.
  • (4) The memoir also tells how Franzen took up birdwatching in 1999, after his mother's death, and how in 2005, after hearing Al Gore speak about global warming, he began to worry about the thousands of avian species facing extinction worldwide: "I couldn't find a way not to care .
  • (5) They climbed mountains, learned how to fly fish, went birdwatching.
  • (6) While discussion of Croatia as a travel destination usually focuses on the beachy delights of the Dalmatian coast, the country is also home to some of the most spectacular – and, crucially, well-protected – natural environments in Europe, with seemingly limitless opportunities for hiking, camping, climbing, caving, animal-spotting, birdwatching and generally "doing nature" without doing it in.
  • (7) The remote setting is great for simple pleasures such as beachcombing, walking and birdwatching.
  • (8) How to be a Bad Birdwatcher - Simon Barnes Scissor Sisters
  • (9) Point Pelee, a marshy spit jutting into Lake Erie, is an international mecca for birdwatchers.
  • (10) The festival is a draw for birdwatchers and wildlife photographers, with workshops, lectures and guided tours of the 57,000-acre reserve.
  • (11) There are hardly any facilities here, but surfers, birdwatchers, fishermen and horseriders love it, as do gemstone hunters.
  • (12) However, it affords good views from the deck (the novelist is an avid birdwatcher) and the low overheads that permit Franzen to let five years go by without delivering a novel.
  • (13) The birdwatching is fantastic: on my way down south this time, I saw storks, vultures, eagles and the odd falcon sitting on a pole.
  • (14) Facebook Twitter Pinterest Like other birdwatchers, Packham hopes that if the spring hunting is halted, Malta could benefit from a surge in ecotourism and become a birdwatching destination – rather than a black hole for rare species.
  • (15) I really like Point Pleasant park close to Halifax’s harbour – an amazing park great for cycling, walking, birdwatching and running.
  • (16) The park reports the greatest numbers of endangered, threatened and rare species in Pennsylvania, with Gull Point natural area usually the best place to birdwatch.
  • (17) Eric Illsley, 55, the former Labour MP for Barnsley Central, who pleaded guilty to dishonestly claiming £14,000 relating to insurance, repairs, utility bills and council tax at his second home, was jailed for a year in February Morley's guilty plea marks an inauspicious end to a political career that saw the avid birdwatcher elevated to a ministerial post at the Ministry of Agriculture, Fisheries and Food when Labour came to power in 1997.
  • (18) Birds of deep woodland, not gardens, they’re the birdwatchers’ dark grail.
  • (19) Dunnet Bay , on the other side of Thurso, is one of the best: a super-clean and stunning sweep of beach, popular with surfers and birdwatchers.
  • (20) More than 370 species of birds have been spotted since the refuge was established in 1939, making this one of the most diverse birdwatching spots in North America.

Twitcher


Definition:

  • (n.) One who, or that which, twitches.

Example Sentences:

  • (1) In the twitcher mice with BMT examined at ages 44 and 71 days (transplanted at the day 9 to 12), degeneration of oligodendrocytes and myelin was still present.
  • (2) Also, the established twitcher cells were crossed with neomycin-resistant control human fibroblasts and selected in G418 medium.
  • (3) The assay conditions for both these activities in several mouse tissues have been optimized to facilitate the enzymatic characterization of homozygous and heterozygous twitcher mice.
  • (4) Although extensive demyelination was noted in the CNS of both mice and additionally, macrophage infiltration was pronounced in the twitcher, BBB remained intact to horseradish peroxidase.
  • (5) Boiled supernatant fractions, which contained saposins, were prepared from homogenates of twitcher brain, liver, kidney, and spleen.
  • (6) Twitcher mice which were previously given colloidal carbon intravenously, had some Mac-1 positive cells which contained carbon particles both in the CNS and PNS.
  • (7) Although psychosine levels in sciatic nerves of HCT-treated twitcher mice increased more slowly than in the nerves of untreated twitchers, the levels in 100-day-old HCT-treated twitcher mice had reached the same high values as those seen in untreated 40-day-old twitchers.
  • (8) The effect on the activity of galactosylceramide beta-galactosidase as well as 4-methylumbelliferyl-beta-glucoside beta-glucosidase in the twitcher brain and liver homogenates by authentic saposin A and C was similar to that in control tissues.
  • (9) To determine whether Krabbe patients' cells complement twitcher cells to produce, in hybrid combination, greater than deficient levels of galactocerebrosidase activity, five separate crosses were made between an established twitcher mouse cell line and five cell strains from unrelated Krabbe disease patients.
  • (10) After postnatal day 10, the number of Schwann cell-axon units gradually increased and the number of unmyelinated axons per unit progressively decreased in the twitcher mouse.
  • (11) However, marked accumulation of psychosine was found in the 30-day-old-twitcher DRG.
  • (12) These data correlate well with the pathological changes; tissues containing higher concentrations of galactosylsphingosine show earlier and more severe pathological changes than those containing lower concentrations, thereby indicating the close link of galactosylsphingosine to the pathogenesis of the twitcher mouse.
  • (13) In attempts to elucidate the origin of accumulated galactosylsphingosine in the twitcher mouse, a murine model of human globoid cell leukodystrophy (Krabbe's disease), UDP-galactose:sphingosine galactosyltransferase activity was assayed in tissues from normal and twitcher mice.
  • (14) The addition of a foetal brain cell graft to haemopoietic cell transplantation resulted in significantly prolonged survival of twitcher mice.
  • (15) Examination of the KR1787 strain has shown that it also exhibits mutator activity as assayed by the spontaneous mutation frequency at the unc-22 (twitcher) locus.
  • (16) These findings suggest that galactosylsphingosine is cytotoxic for myelin-forming cells and is closely related to pathogenetic events in the twitcher mouse.
  • (17) Thus, these alterations of unmyelinated Schwann cells in the twitcher mouse suggest that attenuated branching of cellular processes develops at an early stage and progresses together with progression of demyelination in this mutant.
  • (18) There was no apparent difference of lipid composition between control and twitcher DRG, and the galactocerebroside levels from control were similar to those of twitcher.
  • (19) There's a brief flurry of excitement as some passing twitchers point out four hobbies overhead.
  • (20) Several of the hybrid lines from both crosses had higher than deficient levels of galactocerebrosidase activity initially, followed by a decrease to twitcher levels during subculture, whereas other lines retained high levels of activity.

Words possibly related to "birdwatcher"

Words possibly related to "twitcher"