Black Grouse (Tetrao tetrix) Science Article 5 abstract In the United Kingdom, Black Grouse Tetrao tetrix have declined in range and abundance during the 20th century. In England at present, birds are largely found only on the margins of managed grouse moors in the north, where more than 80% of birds are confined to the […]
Category: Phasianidae
Increasing group size dilutes black fly attack rate in Black Grouse
Black Grouse (Tetrao tetrix) Science Article 3 abstract Black flies (Simuliid ) have been observed to harass Black Grouse (Tetrao tetrix) innorthern Finland during summer. We studied experimentally whether group size affectsthe attack rate of black flies on Black Grouse. The increase in flock size diluted the rate ofthe black fly attacks in the Black […]
Inbreeding depression and male . tness in black grouse
Black Grouse (Tetrao tetrix) Science Article 1 abstract The male lifetime lekking performance was studied, and related to inbreeding
Color Signals in the Black Grouse (Tetrao tetrix): SignalProperties and Their Condition Dependency
Black Grouse (Tetrao tetrix) Science Article 7 abstract Recent progress in techniques of quantifying betweenindividualdifferences of color-based ornaments has revealed undiscoveredpossibilities for research in sexual selection. We present howthe color spectra data can be comprehensively used for studying theimportance of sexual ornaments in the black grouse and how theseornaments are related to a male condition. […]
Dispersal and migration of female Black Grouse Tetrao tetrix in boreal forests
Black Grouse (Tetrao tetrix) Science Article 4 abstract We studied the movement patterns of 209 female Black Grouse radio-marked during 1990-1993 in eastern central Finland. Females were captured for marking in late winter, and the transmitters had a life expectancy of 6-10months.Adults tended to initiate spring movement to breeding range earlier than yearlings. The median […]
Sharp-tailed Grouse (Tympanuchus phasianellus)
[order] GALLIFORMES | [family] Phasianidae | [latin] Tympanuchus phasianellus | [UK] Sharp-tailed Grouse | [FR] Tetras a queue fine | [DE] Schweifhuhn | [ES] Gallo de las Praderas Chico | [NL] Stekelstaarthoen Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Tympanuchus phasianellus NA nc, nw Tympanuchus phasianellus campestris c Canada to […]
Spruce Grouse (Falcipennis canadensis)
[order] GALLIFORMES | [family] Phasianidae | [latin] Falcipennis canadensis | [UK] Spruce Grouse | [FR] Tetras du Canada | [DE] Tannenhuhn | [ES] Gallo Canadiense | [NL] Bossneeuwhoen Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Tetrao canadensis Falcipennis canadensis NA Alaska, Canada, n USA Falcipennis canadensis atratus s Alaska (USA) […]
Lesser Prairie Chicken (Tympanuchus pallidicinctus)
[order] GALLIFORMES | [family] Phasianidae | [latin] Tympanuchus pallidicinctus | [UK] Lesser Prairie Chicken | [FR] Tetras pale | [DE] Kleines Prariehuhn | [ES] Gallo de las Praderas Menor | [NL] Klein Prairiehoen Subspecies Monotypic species Physical charateristics A small, pale prairie-chicken; best identified by range. The gular sacs of the male are dull purplish […]
New Zealand Quail (Coturnix novaezelandiae)
The story It is difficult to account for the disappearance of the New Zealand Quail. A closely related, possibly conspecific, Australian species, the Stubble Quail (Coturnix pectoralis), flourishes in its homeland, yet the New Zealand birds failed to survive the coming of Europeans. The species seems to have been common on the grass-covered downs of […]
Mount Cameroon Francolin (Pternistis camerunensis)
[order] GALLIFORMES | [family] Phasianidae | [latin] Pternistis camerunensis | [UK] Mount Cameroon Francolin | [FR] Conure couronnee | [DE] Kamerunfrankolin | [ES] Francolin del Camerun | [NL] Subspecies Monotypic species Physical charateristics Terrestrial gamebird with red bill and legs. Male greyish below with warm brown upperparts and diagnostic red bill, eye-surround, legs and feet. […]