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Topic: Western Grebe

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Grebe

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	Western Grebe - Wildlife - Presidio of San Francisco
		Western Grebe - Wildlife - Presidio of San Francisco
		It can often be found in mixed flocks with Clark's Grebe.
		It displays a dark/fl plumage on its upper side and is white below.
	www.nps.gov /archive/goga/prsf/nathist1/wildlife/birds/westerngrebe.htm (109 words)

	Western Grebe - Wikipedia, the free encyclopedia
		The largest North American grebe (22"-29"), it is fl-and-white, with a long, slender, swan-like neck and red eyes.
		Distinguishing features: Black around the eyes, whereas the Clark's Grebe has white around the eyes; straight greenish-yellow bill, whereas the Clark's bill is up-turned and bright yellow; downy young are grey, whereas the Clark's downy young are white.
		Northern birds migrate west to coastal ocean in winter; birds in the southwest and Mexico may be permanent residents.
	en.wikipedia.org /wiki/Western_Grebe (218 words)

	Marcel Granger — Western Grebe
		Western grebes are thought to be related to loons, and are reluctant flyers and not terribly graceful on land.
		A grebe's nest is constructed of aquatic vegetation either built up from the bottom of a pond or lake, or attached to a floating mass of water plants.
		Western grebes eat small fish, and with an average weight of 1,5 kg are the largest of the five grebe species to be found in Canada.
	www.lino.com /~marcelg/grebe_an.htm (206 words)

	Marshbirds and Shorebirds of North Dakota (Site not responding. Last check: 2007-10-30)
		The western grebe is the largest of all North American grebes.
		During the breeding season, the western grebe inhabits freshwater lakes that contain emergent vegetation such as cattails and bulrushes.
		Note: The western grebe resembles the Clark's grebe except the bill is yellow-green and the fl cap extends below the eye.
	www.npwrc.usgs.gov /resource/othrdata/marshbrd/westgreb.htm (205 words)

	The Diving and Feeding Activity of the Western Grebe on the Breeding Grounds (Site not responding. Last check: 2007-10-30)
		A single grebe was diving at the inner reaches of the narrow chasmel when it became aware of the approach of the observer in a canoe at the mouth of the backwater.
		The adjustment of the iris in the eye of the grebe must be rapid to permit clear vision when ascending from the darkened deep water to the glaring brightness of the surface, involving a range of light intensities from 0.0000058 to a maximum of 158 foot-candles in direct sunlight.
		The Western Grebe has been illegally killed by the sportsmen of the area on the claim that the birds were "eating all the young bass." The birds could more reasonably be accused of lessening the perch population of the lake, but the relatively few grebes consume only a small fraction of the young perch.
	elibrary.unm.edu /sora/Condor/files/issues/v052n01/p0003-p0016.html (12379 words)

	Redwood Region Audubon Society - Field Notes (Site not responding. Last check: 2007-10-30)
		Western Grebes eat a wide variety of small fish (80 percent) and some insects (17 percent).
		Western Grebes nest mainly in May-August in colonies on large open lakes with shorelines of dense emergents such as cattails and bulrushes.
		Clark's Grebes may be separated from Western Grebes most easily be the extent of the fl crown.
	www.northcoast.com /rras/artmar2.htm (300 words)

	M.Sc. Thesis (Site not responding. Last check: 2007-10-30)
		Western Grebes are known to feed on pelagic-schooling fish, primarily herring (Clupea harengus).
		The Western Grebe's bill appears to be adapted for spearing fish and the length and structure of its neck allow the sudden foreward thrust of the head.
		Western Grebes spend 8 months of the year in coastal marine waters where they feed on schooling fish in the pelagic zone.
	webs.ii.ca /clowater (867 words)

	MTY Western Grebe
		Western Grebe is the common large grebe in Monterey County (MTY).
		Note also differences in head pattern between the two grebes; the righthand bird is showing whitish spots in the lores and might be a candidate for Clark's Grebe but in the field was thought to have a greenish-yellow tone to the bill in comparison to adjacent orange-billed Clark's Grebes.
		The recent average* for the Monterey Peninsula CBC is 700 Western Grebes, and on the Moss Landing CBC it is 973 grebes (but some of those are in adjacent Santa Cruz County).
	montereybay.com /creagrus/MTYlistWEGR.html (724 words)

	Grebe page
		The grebes are an ancient family going back 80 million years, well-represented in the fossil record, and not closely related to any other birds (Llimona and del Hoyo 1992).
		Although there are five genera in the grebes, each is basically a variation on the same theme, and it is always easy to tell that a grebe is a grebe.
		Thus the Western Grebe (left, upper bird) and the Clark's Grebe (left, lower bird) are behaving as different species.
	www.montereybay.com /creagrus/grebes.html (775 words)

	Feisty pine siskins abound; Clark's grebe turns up in Maine (Site not responding. Last check: 2007-10-30)
		Clark's grebe was split from Western grebe about 20 years ago when ornithologists realized that the two "forms" of Western grebes always seemed to be mating with others of their "form." In other words, each form mated only with others of its kind.
		The eye of a Western grebe is set in the fl feathers on the side of the head.
		In Clark's grebe, the white on the cheeks extends a little higher toward the fl crown, and the eye is surrounded by white feathers rather than fl.
	outdoors.mainetoday.com /naturewatching/birding050327.shtml (809 words)

	British Columbia Wildlife Watch - Newsletter Volume 17
		The Western Grebe is the largest of the six grebe species found in British Columbia.
		This elaborate and energetic display begins soon after the grebes reach their nesting colonies in late April or early May. Know as the "rushing ceremony", two grebes engage in advertising calls and various head movements, then lunge forward and run rapidly across the surface of the water, side-by-side, for up to 20 metres.
		The Salmon Arm Grebe Festival was established to celebrate the local grebe colony.
	www3.telus.net /driftwood/news17.htm (2479 words)

	grebe on Encyclopedia.com
		Grebes resemble the loon and the duck ; they have short wings, vestigial tails, and long, individually webbed toes on feet that are set far back on a short, stubby body.
		Other grebes are the western and Holboell's grebes of North America and the eared and horned grebes of North America, Europe, Asia, and Africa.
		Although grebes have been considered to be related to the loon, DNA testing suggests that they may be most closely related to the flamingo.
	www.encyclopedia.com /html/g1/grebe.asp (491 words)

	Nearctica - Natural History - Birds of Eastern North America - Loons and Grebes - Western Grebe and Clark's Grebe
		Similar Species: The Western Grebe and Clark's Grebe are easily recognized by the combination of large size and elongate bill.
		The Western Grebe and Clark's Grebe are difficult to separate and were thought to be color forms until recently.
		Habitat: The Western Grebe and Clark's Grebe breed on large lakes with abundant rushes and reeds.
	www.nearctica.com /birds/loons/Aocci.htm (439 words)

	[No title] (Site not responding. Last check: 2007-10-30)
		The grebe received a physical examination along with nutritional support, and was placed in a well- ventilated, heated area to aid in the stabilization of the bird's body temperature.
		On Monday 18th October the grebe spent his first day back in the water in an enclosed pool, where he preened furiously, using his beak to realign his feathers to rebuild the total waterproofing necessary for surviving in an aquatic environment.
		The Western Grebe has been monitored closely and continues to gain weight and improve his waterproofing on a daily basis.
	www.ecy.wa.gov /programs/spills/incidents/dalco/jic/paws.htm (347 words)

	Western Grebe--BIOLOGICAL AND ECOTOXICOLOGICAL CHARACTERISTICS OF TERRESTRIAL VERTEBRATE SPECIES RESIDING IN ESTUARIES
		Western grebe eggs (n=12) collected in 1981 at Tule Lake NWR (California) were analyzed for organochlorine residues and compared with white pelican (Pelecanus erythrorhynchos) eggs collected concurrently (Boellstorff et al, 1985).
		The decline in grebe population corresponded with the period in which pesticide applications were made (After the 1954 and 1957 applications of DDD to Clear Lake 100 grebes and 75 grebes respectively were found dead).
		Western grebe eggs (n=93) collected between 1973 and 1974 from the Bear River Migratory Bird Refuge (MBR), UT were examined for organochlorine pesticide residues and PCB (Lindvall and Low, 1980).
	www.pwrc.usgs.gov /bioeco/wgrebe.htm (3448 words)

	BirdWeb - Bird Details (Site not responding. Last check: 2007-10-30)
		Clark's Grebes are highly gregarious in all seasons, wintering in large flocks and nesting in colonies.
		Clark's Grebes and the closely related Western Grebes perform the most spectacular displays of the family, and arguably the most complex known for any birds.
		Clark's Grebes are found on both small and large bodies of water in and around Grant County, including Potholes Reservoir, Moses Lake, Banks Lake, and on ponds within the Columbia and Saddle Mountain National Wildlife Refuges.
	www.birdweb.org /birdweb/bird_details.aspx?id=11 (551 words)

	IFWIS - Western grebe
		Common names include: western grebe (official), swan-necked grebe, or swan grebe 06.
		Bohlen lists western grebe as a rare migrant in Illinois 01.
		Western grebe is associated with freshwater lakes and marshes in areas of open water and adjacent rushes and cattails 06,07,08.
	www.inhs.uiuc.edu /chf/pub/ifwis/birds/western-grebe.html (647 words)

	Grebes (Site not responding. Last check: 2007-10-30)
		Spring migrants begin to arrive in the Western Upland during the second week of April (earliest-24 March) and the Northern Highland 1-5 May. Peak abundance occurs during the first week of May and departure by 15 May. Fall migrants begin to arrive during the third week of September.
		On 21 July 1952, three eared grebes were observed on Phantom Lake, Crex Meadows, and on 12 July 1956, a single bird was observed at Crex Meadows (Lound and Lound 1956b).
		Habitat: The pied-billed grebe occurs most commonly on seasonally and semipermanently flooded wetlands with lush stands of emergent aquatics; cattail and bulrush appear to be preferred for nesting.
	www.npwrc.usgs.gov /resource/birds/stcroix/podicipe.htm (1006 words)

	w_grebe (Site not responding. Last check: 2007-10-30)
		The Western Grebe is the most gregarious of our grebes and is often found, locally, in large flocks that are either compact or strung out in a long line.
		Since habitat still exists but breeding grebes do not, and since the Western Grebe does not appear to move around a lot, it further supports disturbances as the cause of their disappearance from those areas.
		The Western Grebe breeds on medium to large lakes, usually with stands of emergent marsh vegetation (e.g.
	www.royalbcmuseum.bc.ca /nh_papers/gracebell/english/w_grebe.html (1263 words)

	Behold the Grebe's Idea of Sexy
		The Grebe is a roughly duck-sized water bird, slate-grey with a white breast and neck.
		But the Western grebe's numbers are dropping precipitously, and no one really knows why, though I do have a theory.
		The aft-positioning of their feet makes possible the embarrassing behavior that has made the Western grebe the darling of birders everywhere, and the butt of snide and derisive remarks from everyone else.
	www.getlostmagazine.com /mcbee/2002/0203grebe/grebe.html (805 words)

	Clark's Grebe
		The chin of the Clark's Grebe and its gullet, facial feathers and stomach are white.
		Where to find a Clark's Grebe in MTY: In Texas the Clark's Grebe is frequently spotted on both fresh water lakes inland and on salt water sheltered bays and the wide mouth of a river where its current meets the sea and influenced by the tides.
		Often the Clark's Grebe is spotted in the flocks of the Western Grebe.
	www.suite101.com /article.cfm/birding/115335 (473 words)

	Grebe at exZOOberance!
		The feet of grebes, unlike those of ducks and loons, have three unconnected, flattened, flaplike toes; the fourth toe is separate and very small.
		The largest North American species are the western and Clark's grebes, which are so similar that they were long thought to be color phases of a single species.
		The pied-billed grebe is classified as Podilymbus podiceps, the western grebe as Aechmophorus occidentalis, and Clark's grebe as Aechmophorus clarkii.
	www.exzooberance.com /virtual%20zoo/they%20fly/grebe/grebe.htm (401 words)

	Western Grebe (Aechmophorus occidentalis)
		There are two shots of different Western Grebes shown here, both taken in June, 2001, in Sheridan Co., Montana, with a Canon EOS 3 and EF 600mm F/4 L lens and 1.4X extender on Fuji Sensia.
		The four Western Grebe shots immediately above were taken at Balmorhea Reservoir, Reeves Co., Texas, in November, 2005, with a Canon EOS 1D Mark II and EF 600mm F/4 L IS lens and 2X extender.
		The two grebes in the next several shots are engaging in some courtship activity.
	www.greglasley.net /westgrebe.html (275 words)

	THE CACTUS WREN
		Westerns are typically more uniformly dark, Which makes them appear darker overall, and they have a two syllable call, the second syllable higher or accented.
		This Western Grebe was photographed on McKellips Lake along the Scottsdale Greenbelt in November 2000.
		This grebe’s dark over light head pattern is similar to the Aechmophorus grebes, but both its bill and neck are shorter and thicker, lending a chunkier, less elegant jizz reminiscent of the Podeceps genus of medium sized grebes.
	www.maricopaaudubon.org /audubon-wrendition/cactus_wren111201-pg9-10.htm (1789 words)

	Western grebe description (Site not responding. Last check: 2007-10-30)
		The western grebe is a common winter resident and one of the largest grebes found in the inland waters of Washington and British Columbia.
		In the past 20 years, populations of Western Grebes in Puget Sound have declined 95%.
		The causes for this decline are unknown but may be related to declines in forage fish (Western grebes consume primarily Pacific herring, sculpins, shiner perch, and smelts, and fewer small crabs and shrimps).
	mehp.vetmed.ucdavis.edu /speciesconcern/grebe.html (86 words)

	Eagles that Kill! Grebes, Common Loon, et al (Site not responding. Last check: 2007-10-30)
		Western Grebe: One live one brought to the Discovery Park (Seattle) eagle nest with 2 3-week-old eaglets in it (years ago).
		West Seattle eagles also seen eating Western Grebe, but by the time I got there the grebe was dead.
		There are many Western Grebes that winter off the Discovery Park bluff and the eagles appear to take advantage of this food supply.
	personalpages.tds.net /~stone42/muller.html (751 words)

	Western Grebe (Site not responding. Last check: 2007-10-30)
		Western grebes tend to be found in the deeper ponds and marshes of the area, mostly on the refuge.
		They can be differentiated from Clarke's grebe by their darker, somewhat greenish bill, darker overall plumage, and the fact that their eye lies within the fl plumage on their head.
		Photographing western grebe in the Malheur area is tricky, as not many pair nest in areas accessible for close approach.
	donb.furfly.net /malheur/birds/wgrebe.html (188 words)

	eNature: FieldGuides: Species Detail
		Very similar to Western Grebe, but fl of cap does not reach eyes, so face is largely white; bill bright yellow or orange-yellow.
		Range Breeding range broadly overlaps that of Western Grebe, from British Columbia, Saskatchewan, and Minnesota south to southern California, and sparsely to Arizona, New Mexico, and Colorado.
		Clark's Grebe is more common in the southern portions of the combined range of the two species, and relatively rare in the northern part.
	www.enature.com /fieldguides/detail.asp?allSpecies=y&curGroupID=1&lgfromWhere=&curRegionID=1050&curPageNum=2 (209 words)

	Western Grebe - Whatbird.com
		Western Grebe: Large, long-necked grebe with dark gray upperparts, white underparts, and gray sides and flanks.
		Western Grebe: Breeds from British Columbia, Saskatchewan, and Minnesota south to southern California.
		Horned and Eared Grebes are smaller with much shorter bills that are never yellow-green.
	identify.whatbird.com /obj/63/_/Western_Grebe.aspx (861 words)

	Western Grebe Detailed Information - Montana Animal Field Guide
		The bright red eyes of the Western Grebe are surrounded by fl.
		The Western Grebe lives on fresh water lakes and marshes which have large areas of open water and vegetation around it.
		The Western Grebe feeds mainly on fish, but will also eat salamanders, crustaceans, plychaete worms, and insects.
	fwp.mt.gov /fieldguide/detail_ABNCA04010.aspx (270 words)

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