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Topic: Histrionicus histrionicus


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  Harlequin
In this study we documented the chronology of pair formation in a population of wintering Harlequin Ducks (Histrionicus histrionicus) in southwestern British Columbia.
A small (60 - 100 birds) molting and wintering population of Harlequin ducks (Histrionicus histrionicus) was studied from June to November 1995 to assess the molting and pairing chronology of this population.
We estimate both movement and survival of a molting and wintering population of Harlequin Ducks (Histrionicus histrionicus) in coastal southwestern British Columbia.
seaducks.org /docs/harlequin.htm   (6847 words)

  
 Surgical and immediate post-release mortality of harlequin ducks (Histrionicus histrionicus) implanted with abdominal ...   (Site not responding. Last check: 2007-10-03)
Radiotelemetry is an essential tool in the study of free-ranging bird populations and a variety of transmitter attachment methods have been developed.
Of 307 radio implant surgeries done in 1995 through 1997 in Harlequin Ducks (Histrionicus histrionicus), we documented 7 (2.3%) deaths during surgery and anesthetic recovery and 10 (3.3%) deaths in the immediate post-release period.
Modifications to anesthetic procedures in the 204 surgeries done in 1996 and 1997 corresponded to reduced mortality rates of 1.5% during surgery and 1.5% during the immediate post-release period.
www.absc.usgs.gov /research/Banding/popups/Effects_bands/mulcahy_esler_99.htm   (166 words)

  
 Publications of the Idaho Conservation Data Center: Vertebrates and Invertebrates
Atkinson, E. Distribution and status of harlequin ducks (Histrionicus histrionicus) and common loons (Gavia immer) on the Targhee National Forest.
Cassirer, E. Distribution and status of harlequin ducks (Histrionicus histrionicus) on the Nez Perce National Forest, Idaho.
Distribution, breeding biology and nesting habitat of harlequin ducks (Histrionicus histrionicus) in northern Idaho.
fishandgame.idaho.gov /cms/tech/CDC/animals/animal_pubs.cfm   (1636 words)

  
 Birds and Nature: Harlequin Duck
The Harlequin Duck is the sole representative of the genus to which it belongs.
The generic and the specific names (Histrionicus), which unfortunately the strict rules of scientific naming require in the case of this bird to be the same, are from the Latin word meaning harlequin.
This word, meaning a buffoon, is especially appropriate, for the arrangement of the colors on its head, neck and back give the bird a peculiar appearance, especially during the mating season.
www.birdnature.com /apr1901/duck.html   (524 words)

  
 EVALUATION OF BURSAL DEPTH AS AN INDICATOR OF AGE CLASS OF HARLEQUIN DUCKS
Our objective was to assess the utility of bursal characteristics for esti- mating age classes of Harlequin Ducks (Histrionicus histrionicus) by ex- amining rates of discrepancies in age class designations of individuals over two or more capture events.
In the absence of a known age sample, dis- crepancy rates provide a useful measure of reliability of bursal depth as an indicator of age class.
We contrasted the estimated age class of recaptured Harlequin Ducks (Histrionicus histrionicus) (n = 255) based on bursal depth with expected age class based on bursal depth at first capture and time since first capture.
elibrary.unm.edu /sora/JFO/v070n02/p0200-p0205.html   (4363 words)

  
 ducks   (Site not responding. Last check: 2007-10-03)
The distribution, phenology, and prey of Harlequin Ducks, Histrionicus histrionicus, in a Cascade Mountain stream, Oregon.
We examined the phenology, abundance, and in-stream habitat use of Harlequin Ducks (Histrionicus histrionicus) and their primary prey, the caddisfly larvae Dicosmoecus gilvipes, in a Cascade Mountain stream from 1994-97.
After a severe flood in early 1996, we observed reductions in overall harlequin numbers, a seasonal delay in brood development, and a decrease in abundance of D.
www.uwplatt.edu /biology/wright/ducks.htm   (157 words)

  
 Harlequin Duck: Wildlife Notebook Series - Alaska Department of Fish and Game
The male harlequin duck (Histrionicus histrionicus) is a colorful, compact sea duck inhabiting Alaska's coasts for most of the year.
The common name harlequin as well as the latin name Histrionicus (from “histrio” or stage player) come from the male plumage, said to resemble the gaily colored dress of medieval court jesters.
Male harlequins are mostly a dark blue-gray, with bold accents.
www.adfg.state.ak.us /pubs/notebook/bird/harlequn.php   (1462 words)

  
 Nearctica - Natural History - Birds of Eastern North America - Anatidae - Harlequin Duck (Histrionicus histrionicus)
Nearctica - Natural History - Birds of Eastern North America - Anatidae - Harlequin Duck (Histrionicus histrionicus)
Identification: Length from tip of bill to tip of tail 14 to 20 inches.
The male commonly goes out to sea while the female is incubating the eggs.
www.nearctica.com /birds/ducks/Hhist.htm   (339 words)

  
 Montana Natural heritage Program Publications
Results of Harlequin Duck (Histrionicus histrionicus) Surveys in the Non-wilderness Portion of the Flathead National Forest, Montana, November 1991
Results of the 1990 Survey for Harlequin Ducks (Histrionicus histrionicus) on the Kootenai National Forest, Montana and Parts of the Lolo National Forest, Montana, October 1990
Distribution and Status of the Harlequin Duck (Histrionicus histrionicus) on the Gallatin National Forest, Montana, September 1990
mtnhp.org /reports.asp   (2231 words)

  
 Predation Risk and Population Structure of Breeding Harlequin Ducks Histrionicus histrionicus in northern Labrador
Predation Risk and Population Structure of Breeding Harlequin Ducks Histrionicus histrionicus in northern Labrador
This research was conducted as a part of my M.Sc.
Heath, J.P. Factors influencing breeding distributions of Harlequin Ducks Histrionicus histrionicus in northern Labrador: a multi-scale approach.
www.sfu.ca /~jpheath/Research/Msc.html   (742 words)

  
 Comment Magazine - "Reading the Bible . . . and articulating a worldview" by Michael Goheen
Alasdair MacIntyre offers an amusing story in After Virtue to show how particular events receive their meaning in the context of a story.
He imagines himself at a bus stop when a young man standing next to him says: "The name of the common wild duck is histrionicus, histrionicus, histrionicus." One understands the meaning of the sentence.
But what on earth is he doing in saying it in the first place.
wrf.ca /comment/article.cfm?ID=179   (3296 words)

  
 Histrionicus histrionicus - Arlequin plongeur (Canard arlequin) - Harlequin Duck   (Site not responding. Last check: 2007-10-03)
Histrionicus histrionicus - Arlequin plongeur (Canard arlequin) - Harlequin Duck
This is the only duck on the North American continent to nest close to fast-running water.
The name "Harlequin" comes from the comic character of 17th century Italian commedia dell'arte whose costume was sewn from diamond-shaped pieces of multicoloured fabric, a bit like the livery of our adult male duck.
www.virtualmuseum.ca /Exhibitions/Birds/MSS/Anglais/aplongeu.htm   (265 words)

  
 Oriental Bird Club Image Database : Harlequin Duck » Histrionicus histrionicus
Oriental Bird Club Image Database : Harlequin Duck » Histrionicus histrionicus
Harlequin Duck Histrionicus histrionicus - Adult males in breeding plumage
Harlequin Duck >> Adult males in breeding plumage
www.orientalbirdimages.org /search.php?action=searchresult&Bird_ID=204   (37 words)

  
 Birds Happen - Histrionicus histrionicus around Inside Harbor, Monterey,CA / Bill Hill photo - BlogHoster   (Site not responding. Last check: 2007-10-03)
Birds Happen - Histrionicus histrionicus around Inside Harbor, Monterey,CA / Bill Hill photo - BlogHoster
About Me Birding babble and rabble directed to the SF Bay Area and Central California Coast birder's and my friends.
Histrionicus histrionicus around Inside Harbor, Monterey,CA / Bill Hill photo
www.surfbirds.com /blog/entry.php?u=byronik&e_id=488   (80 words)

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