Files are available under licenses specified on their description page. As expected, much higher contamination levels of both ddts and pcbs were found in the fisheating great crested grebe than in the mallard. With the help of over 7,000 of the worlds best wildlife filmmakers and photographers, conservationists and scientists, arkive. The genus podiceps was erected by the english naturalist john latham in 1787.
Seasonal evolution of colonial breeding in the great crested grebe. Podiceps cristatus linnaeus, 1758 birdlife international. The regular mallard anas platyrhynchosand canada geese branta. Seasonal evolution of colonial breeding in the great crested. Impact of great crested grebes podiceps cristatus l. Podiceps cristatus cristatus linnaeus, 1758 eurasian crested grebe. Podiceps cristatus australis gould, 1844 australasian crested grebe. Skaggdopping podiceps cristatus ar en vattenlevande fagel som tillhor familjen doppingar. The nest is constructed from a mass of dead waterplants, weeds and mud, usually attached to reeds, fallen or drooping brances or a submerged stump, and is found on or near the vegetated margins of large open waters, among reeds, water ribbons triglochin sp. Ijsselmeer on colonial nesting of great crested grebe podiceps cristatus over four breeding seasons focused on. Pdf great crested grebe podiceps cristatus, a resident species of europe and central asia, known for migrating to.
This study was conducted in order to analyze the longterm arrival pattern of the great crested grebe podiceps cristatus in the nakdong river estuary area, where undergoes rapid environmental changes, by studying the data of early 1990s between may of 1989 and april of 1993 and the data of mid2000s between may of 2002 and april of 2006. Pdf estuarine ecology download full pdf book download. Its wingspan is 5973 cm long this is the length of both wings. Great crested grebes podiceps cristatus breeding on three small lakes in switzerland with different intensities of recreation differed in their response to human. All structured data from the file and property namespaces is available under the creative commons cc0 license. The visitation aspect of great crested grebe podiceps. However, it is not a legal authority for statutory or regulatory purposes. Its wingspan is 5973 cm long this is the length of both wings it is white and brown and it has orange crest feathers on its head.
A field study at the dutch ijsselmeer on colonial nesting of great crested grebe podiceps cristatus over four breeding seasons focused on the phenomenon of breeding aggregation. Ddt homologues and pcbs in eggs of great crested grebe. A method for estimating the number of breeding pairs of great. The genus name combines the latin podex meaning vent and pes meaning foot the blacknecked, colombian, silvery, and junin grebes are very closely related and were formerly sometimes separated as the genus. The great crested grebe podiceps cristatus is a member of the grebe family of water birds noted for its elaborate mating display.
Podiceps cristatus linnaeus, 1758 great crested grebe. The genus name comes from latin podicis, vent and pes, foot, and is a reference to the placement of a grebes legs towards the rear of its body. Podiceps cristatus wikipedia an piemonteis, lenciclopedia. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. Unlimited viewing of the articlechapter pdf and any associated supplements and figures. The australian and new zealand forms have been suggested to be two distinct subspecies. Effect of trophic status of a deepwater lake on breeding great. Eggcovering behaviour by great crested grebes podiceps cristatus. Seasonal evolution of colonial breeding in the great. Estuarine ecology available for download and read online in other formats. The result of data analysis of 8 years showed that. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Intraspecific kleptoparasitism in flockfishing great crested.
Podiceps definition of podiceps by the free dictionary. Great crested grebe podiceps cristatus birdlife species. Wildscreen s arkive project was launched in 2003 and grew to become the worlds biggest encyclopaedia of life on earth. This is a specialised aquatic species which rarely emerges onto land.
Podiceps synonyms, podiceps pronunciation, podiceps translation, english dictionary definition of podiceps. Arten hackar over stora delar av europa och centralasien. A method for estimating the number of breeding pairs of. Pdf great crested grebe podiceps cristatus synchronizes. Great crested grebe, podiceps cristatus birds naturegate. If you continue to use the site we will assume that you agree with this. The result of data analysis of 8 years showed that, of the total 2,873 members of the family. Great crested grebe podiceps cristatus birdlife species factsheet. Morphological variation in a european population of great crested. Pairs in bulrush nested later in the season, and therefore produced smaller clutches, compared to pairs breeding in reed. Habitat features were measured at 128 nest sites of great crested grebes podiceps cristatus on lake luknajno, northeast poland in 1984. The present communication reports repeated observations of such flockfishing at a south swedish lake during.
Recommended english names, princeton university press, isbn. The great crested grebe podiceps cristatus is a member of the grebe family of water birds. A copy of the license is included in the section entitled gnu free documentation license. The great crested grebe is monogamous, and pairbonds are maintained throughout the year. Pdf new breeding record of great crested grebe podiceps. Variations in the response of great crested grebes podiceps. A taxonomic species within the family podicepidae the great crested grebe. Podiceps cristatus cristatus, winter, villeneuvedelaraho, pyreneesorientales, france podiceps cristatus cristatus, calls, surrey, england taxonavigation edit. In flight appears pale, slender, slightly back heavy, and unstable, with rapid wingbeats. Occurrence, status and breeding of podiceps cristatus linn. A sample of 1450 great crested grebes from the nonbreeding season augustmarch which had accidentally drowned in fishing nets in lake ijsselmeer, the netherlands, was examined for age and sex differences in linear measurements, body mass, plumage, leg colour and gonad condition. Professor of biology in the rice institute, houston, texas. Jump to content jump to main navigation jump to main navigation. It is white and brown and it has orange crest feathers on its head.
For details of national estimates, see supplementary pdf. Great crested grebe simple english wikipedia, the free. The great crested grebe podiceps cristatus is the largest australian grebe 48 to 61 centimetres long, females slightly smaller. Small 300px standard 760px high res tif format order. The type species was subsequently designated as the great crested grebe podiceps cristatus.
Baby great crested grebe have black and white stripes on their heads. The present communication reports repeated observations of such flockfishing at a south swedish lake during summer. Podiceps cristatus large old world grebe with black ear tufts great crested grebe grebe small compactbodied almost completely aquatic bird that. The unique morphology of the toes of the great crested grebe podiceps cristatus, which are asymmetrically lobed with a narrower skin flap on the lateral side of the toe, enables these birds to. Podiceps cristatus infuscatus salvadori, 1884 african crested grebe. Pdf eggcovering behaviour by great crested grebes podiceps. Podiceps cristatus definition of podiceps cristatus by the.
Baby great crested grebes have black and white stripes on their heads. This vector image was created with inkscape, and then manually edited. Ddt homologues and pcbs were determined in eggs of two stationary species, great crested grebe podiceps cristatus and mallard anas platyrhynchos, in three breeding areas of lake maggiore in 1998. A longnecked grebe with a distinctive crest absent in winter plumage. Description the great crested grebe is the largest member of the grebe family found in the old world, with some larger species residing in the americas. Great crested grebe podiceps cristatus, a resident species of europe and central asia, known for migrating to the southern parts of asia, africa and australia. Podiceps species podiceps cristatus name homonyms podiceps cristatus linnaeus, 1758 common names bubos vocsok in hungarian cabusso emplomallat in catalanvalencian fuut in dutch fuut in dutch great crested grebe in english. Click here for more information about the red list categories and criteria justification of red list category this species has an extremely large range, and hence does not approach the thresholds for vulnerable under the range size criterion extent of occurrence podiceps cristatus, is a polytypic species with a widespread distribution, ranging from the palaearctic p. Trend in europe and the eu27 the population size is estimated to be decreasing by less than 25% in 21. Flockfishing in the great crested grebe podiceps cristatus. Podiceps cristatus in the nakdong river estuary area, where undergoes rapid environmental changes, by studying the data of early 1990s between may of 1989 and april of 1993 and the data of mid2000s between may of 2002 and april of 2006.
761 1346 104 353 86 1140 803 836 1531 799 776 632 1346 155 454 133 984 1200 521 234 207 943 1549 356 853 758 1521 1222 853 1096 1344 95 917 626 712 1392 30 297 722 662 1492 1358 615