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Topic: Breeding migrant

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	Overview of austral migration
		Austral migrants are birds which breed in the temperate latitudes of South America and move northwards towards the Amazon basin for the austral winter.
		When breeding and wintering distributions of austral migrants are looked at, a strong latitudinal gradient on the breeding grounds for a tendency to migrate is evident in temperate South America.
		He found that austral migrant passerines basically divide into two groups in the winter: one in warm humid areas with daily mean temperatures over 20 degrees Celcius, and another with winter ranges in an area with daily mean temperatures of less than 20 degrees Celcius.
	www.zoo.ufl.edu /ajahn/overview.htm (1459 words)

	Winter Surveys of Birds in Cuba
		Details of the breeding biology of many resident species remain unknown and quantitative data on the distribution and abundance of migrant species are scarce.
		Migrants pose complex conservation problems since their populations can be impacted on their breeding grounds, wintering grounds, and during migration.
		The fact that we observed strong regional differences in abundance of residents and migrants is important for conservation planning since it suggests that extrapolation of data from one area to another is risky, especially on large islands.
	www.bsc-eoc.org /cuba.html (1695 words)

	Montlake Fill Birds
		A few pairs were suspected of breeding at the fill as early as 1973, and currently 12-15 pairs breed there annually.
		This species was a regular fall migrant in the 1970s, with flocks of 15-20 each year in late August or early September.
		Although a fairly common migrant and local breeder in Seattle, this woodland species is surprisingly seldom seen on the fill.
	www.wos.org /WB01A02.htm (4716 words)

	Satellite telemetry of migrant turtles breeding in the Hawaiian Islands
		Satellite telemetry of migrant turtles breeding in the Hawaiian Islands
		In addition, a nesting green turtle was satellite-tagged in 1995 to expand upon data obtained during 1992 and 1993 when five other migrant females were successfully tracked by satellite to their resident foraging pastures (Balazs 1994, Balazs et al.
		The goal of this work is to develop detailed maps of the specific routes taken by males and females between breeding and foraging areas and to determine swimming and diving behaviors during the migrations.
	www.turtles.org /ffs/migrate/ffsmigrt.htm (1187 words)

	NPWRC :: Migration of Birds
		By departing in the spring from their wintering ranges to breeding areas, migrant species are probably assured of reduced interspecific competition for adequate space and resources such as ample food for themselves and their offspring.
		For most migrants, especially long-distance migrants, the evolution of migratory behavior demands a physiological response to environmental cues in preparation for migration that are different from the environmental factors that ultimately determine their reproductive success on the breeding range or survival on the wintering range.
		But the higher the latitude the shorter the breeding season, so that while summer days may be long, the summer season is short and migrants in more northerly climes may have only one chance to breed before they must again travel southward.
	www.npwrc.usgs.gov /resource/othrdata/migratio/evolut.htm (1387 words)

	A Pioneer History of Becker County, Minnesota.
		Breeding commonly in marshes and sloughs, especially in the prairie portions of the county.
		A common early spring and fall migrant, appearing in large flocks; breeding less numerously in the prairie portion of the County.
		Common, breeding in the sloughs and around the edges of marshy lakes in the more open portions of the county.
	www.rootsweb.com /~mnbecker/ch08.htm (1800 words)

	An Annotated List of the Birds of the ACT (Site not responding. Last check: 2007-10-21)
		Uncommon breeding resident, mostly in the forests west of the Murrumbidgee River.
		Common breeding migrant, mainly in the dry forests of the tablelands.
		Uncommon breeding resident of grasslands and forests on the tablelands, usually in the vicinity of water.
	www.canberrabirds.org.au /chklist.htm (1965 words)

	Jukka Forsman. Heterospecific attraction in breeding bird communities. ISBN 951-42-5626-3
		I studied the structure of European breeding forest bird communities on several spatial scales focusing on heterospecific attraction among birds (i.e., the attraction of individuals to the company of interspecifics).
		Heterospecific attraction during breeding in relation to predation risk was assessed by examining the spatial distribution of birds.
		To conclude, heterospecific attraction of migrants to resident birds contributes to the structure of local avian communities in forest landscapes.
	herkules.oulu.fi /isbn9514256263 (429 words)

	Hooded Warbler (Site not responding. Last check: 2007-10-21)
		On the breeding grounds, this bird typically inhabits mixed hardwood forests in the north and cypress-gum swamps in the south, but in North Carolina favors moist deciduous woods with a rather diverse understory.
		It is a nocturnal migrant, and during winter utilizes brushy fields, shrubby areas, as well as second growth and mature forest.
		This is a bird breeding in southernmost Canada and the eastern United States that winter primarily in Central America.
	faculty.ncwc.edu /mbrooks/pif/Bird%20Profiles/hooded_warbler.htm (984 words)

	Neotropical Migrant Birds
		Breeding birds in Mount Revelstoke and Glacier National Parks are part of a global ecosystem which is under pressure here and elsewhere, beyond the boundary of national parks, but not beyond our influence.
		Variation in the relative abundance of an isotope is captured in feathers grown by breeding birds.
		Researchers may someday be able to link specific breeding grounds to individual birds found at points along their migration path or on their wintering grounds using this method.
	www.cmiae.org /neotropical.htm (808 words)

	Migrant and Breeding Bird Survey - 2002 - Alewife Reservation
		Because funding limitations did not permit separate migrant and breeding bird inventories, it was decided to combine the two into a single study.
		Apparently a dirt bank used by the birds for breeding was removed and may have discouraged them from nesting in the park.
		Palm warblers and myrtle warblers, among the earliest spring migrants, found this grove in numbers in April followed by Nashville warblers, fl and white warblers, magnolia warblers and a flburnian warbler.
	friendsofalewifereservation.org /2002_birdsurvey.htm (6363 words)

	Bar-tailed Godwit
		This is the non-breeding plumage of the Bar-tailed Godwit and is the main phase seen in Australia.
		The breeding plumage is darker and more rufous, with females duller than males.
		The Bar-tailed Godwit is a non-breeding migrant in Australia.
	www.amonline.net.au /factsheets/godwit.htm (366 words)

	Flycatchers
		Blue-headed Vireo (once called "Solitary Vireo") is an uncommon breeding migrant found most often in western Newfoundland deciduous forests.
		Black-capped Chickadee is a common breeding resident throughout much of the island of Newfoundland.
		Hermit Thrush is a common breeding migrant throughout much of the island of Newfoundland.
	home.thezone.net /~feathers/flycatchers.htm (587 words)

	Southern Research Station - Study Plan Database
		Habitat use of year-round residents during the non-breeding season is not clear due to the presence of the winter residents and the difficulty of distinguishing between these subspecies.
		Populations of breeding residents may be at risk due to alteration of the fire regime and consequent loss of fire-maintained pine habitat.
		This study will quantify the breeding and non-breeding habitat of the permanent resident population, and the wintering habitat of the winter resident population.
	www.srs.fs.fed.us /studyplan/viewplan.php?id=16 (318 words)

	Coastal and Pelagic Birds of Long Island
		It is a common breeding bird in mixed colonies in many coastal areas of the Island.
		Mallard (Anas platyrynchos) - a common breeding duck and winter resident in freshwater ponds adjacent to the coast.
		The saltmarsh sharp-tailed is a common breeding bird especially in saltmarshes along the south shore.
	www.cresli.org /cresli/Birds/LIbirds.html (3905 words)

	UAE - The Official Web Site - Nature
		Common breeding resident, mostly on plains in north and east and in wadis with denser vegetation and usually in small groups.
		Breeding resident along all coasts, with some local movements to nearby freshwater wetlands particularly in autumn.
		Breeding visitor and passage migrant late February to early September, rare October to January.
	www.uaeinteract.com /nature/bird/specie.asp (1893 words)

	NPWRC :: Forest and Grassland Birds in Illinois
		Robinson, S.K. Population dynamics of breeding Neotropical migrants in a fragmented Illinois landscape.
		An analysis of long-term breeding bird censuses from eastern deciduous forests.
		Habitat suitability and stopover ecology of Neotropical landbird migrants.
	www.npwrc.usgs.gov /resource/birds/manbook/ref.htm (816 words)

	Threats to Neotropical migrants
		To understand their population dynamics, one must consider their requirements and habits on their breeding grounds in North America, their wintering areas in Latin America, and during migration to and from these points.
		During a 1995 symposium on Neotropical migrant birds held at the Midwest Fish and Wildlife Conference in Detroit, Scott Robinson of the Illinois Natural History Survey summarized the threats facing Neotropical migrant birds breeding in the Midwest.
		Breeding areas can act as population "sources" (where reproductive success creates a surplus of individuals that emigrate to other areas), or "sinks" (where the rate of reproduction does even reach replacement level).
	www.umd.umich.edu /dept/rouge_river/threats.html (633 words)

	ScillyOnLine - Birdline
		Although more well known for its migrant birds, Scilly's population of resident bird should not be overlooked.
		The majority of breeding seabirds are confined to the Western and Northern Rocks and the Eastern Isles; most of these areas are closed during the breeding season and landing is difficult at any time.
		The annual presence of rare migrant passerines and waders in autumn, including some North American species, suggest Scilly is important to migrant birds generally, whereas in reality the islands are too far west to be used by most birds travelling from or through Britain.
	www.scillyonline.co.uk /birdfile.html (693 words)

	Reculver - Area Birds
		Uncommon passage migrant and winter visitor mainly froom Aug-Apr. Passage in Mar and Aug-Oct with max of 200 in Sep'89 whilst flocks of upto 250 intermittently present in Nov-Feb (340 Feb'90).
		Passage migrant during Apr/May and Aug-Oct with max of 6 in spring but commoner in autumn when upto 11 is normal, although 70 on 11'th Sept'89.
		Uncommon resident breeding bird, but a regular passage migrant in March and Oct. Autumn passage is often spectacular with upto 29,000W in a day in suitable conditions.
	home.clara.net /jyoung/reculver/reculverbirds.htm (4185 words)

	Southern African Birding (Site not responding. Last check: 2007-10-21)
		Resident population (green stripes) augmented by non-breeding migrants in summer.
		Mixed breeding migrant (blue) and non-breeding migrant (yellow) populations.
		A breeding intra-african migrant with part of the poulation remaining during the southern winter.
	www.sabirding.co.za /rmm/tour/birds3.htm (676 words)

	Winter Ecology of Bobolinks
		Although population declines are undoubtedly due in part to changes in land use on the breeding grounds, threats on the wintering grounds are unknown.
		The avian and conservation communities have acknowledged that a holistic approach to conservation of Neotropical migrant birds requires increased attention to the ecology of species during their nonbreeding season (Sherry and Holmes 1992, Vickery and Herkert 2001, Donovan et al.
		Despite efforts on the breeding grounds to address declining Bobolink populations, we have very little information about, although some possible hints of, the threats they may encounter for two-thirds of their annual life cycle.
	www.vinsweb.org /cbd/Bobolink.html (1447 words)

	Articles & info: an archive of information
		Another theory suggests that the limited breeding habitat, now restricted to just six Michigan counties, is too small a 'target' for inexperienced migrating birds, or there may be a change in their wintering grounds unrecognized by ornithologists.
		Most of the warbler's breeding grounds are now in public hands, and suitable breeding and management to halt the natural grasslands progression to that of mature pinewoods is increasing nesting habitat for them.
		Breeding ranges take them to as far south as California, but even there it is estimated only as few as 50 birds exist making it a very rare sighting indeed.
	www.jjcardinal.com /info.htm (14611 words)

	untitled
		They can begin breeding at one year old and nest year-round, but the main breeding season is between January and May. Two to ten eggs are laid in a well concealed nest lined with down and feathers.
		Breeding season is from March to October, during which time they nest in some of the main Hawaiian Islands.
		Outside the breeding season there are only a few birds remain and their presence at the Point is rather erratic.
	www.birdinghawaii.co.uk /Annotatedlist2.htm (7695 words)

	Pennsylvania Game Commission - State Wildlife Management Agency: 10.5 WAP-Priority Birds
		Critically endangered as a breeding species with very few recent records; decline in size and quality of wetland habitat.
		Regular breeding species and migrant; some individuals may be residents.
		Reason(s) for concern: Decline in breeding and migrant populations; decline in wetland habitat.
	www.pgc.state.pa.us /pgc/cwp/view.asp?A=496&Q=164545&tx=0 (2374 words)

	Species of Bird found on Skye
		Common breeding resident, passage migrant and winter visitor.
		A common passage migrant, particularly in late spring.
		Rare breeding resident - population possibly in decline.
	www.skye-birds.com /species.php?action=ALL (268 words)

	Biological Sciences Graduate Faculty
		Census of a breeding bird population in a virgin spruce-fir forest on Mt. Guyot, Great Smoky Mountains National Park, before and after balsam wooly aphid infestation.
		Alsop, F.J. A census of a breeding bird population in a virgin spruce-fir forest on
		Alsop, F.J. A census of a breeding bird population in a virgin spruce-fir forest on Mt. Guyot, Great Smoky Mountains National Park, Abstract.
	www.etsu.edu /biology/Alsop-pubs.htm (875 words)

	Neotropical Migrant Returns
		The Skunk Cabbage site is the only bird banding station in British Columbia where breeding songbird populations are monitored on a regular basis.
		Before dawn, they set up mist nets to capture and band the birds, noting the species, age, sex, breeding status and general condition of the birds captured.
		To better accomplish this, more monitoring stations are needed in the breeding areas of Canada and Alaska and in the wintering grounds of Central and South America.
	www.cmiae.org /migrant-returns.htm (413 words)

	Winter Goose Season
		In fact, the migrant population is still only half of that observed in 1988, a point when the migrant population was already in serious decline.
		The observed increase in migrant geese since 1995 is attributed to the regular season closure over the past two years and to reduced subsistence harvest by native peoples in northern Quebec.
		The future outlook for this population is encouraging, however, as migrant geese experienced the best breeding conditions in more than a decade during 1997.
	www.njfishandwildlife.com /news/wntrgoos.htm (687 words)

	Pennsylvania Game Commission - State Wildlife Management Agency: Birds of Conservation Concern
		By combining these approaches, it is anticipated that we can conserve the diversity of birds and the ecosystems that support wildlife in the state.
		Reason(s) for concern: Critically endangered as a breeding species with very few recent records; decline in size and quality of wetland habitat.
		Importance of Geographical Areas to Neotropical Migrant Birds in the Northeast.
	www.pgc.state.pa.us /pgc/cwp/view.asp?a=496&q=162144 (2331 words)

	The Tennessee Ornithological Society - About Us
		Our quarterly journal of ornithology, The Migrant, was first published in June 1930 to "record and encourage the study of birds in Tennessee." It is on file in many libraries, museums, and educational institutions throughout the world.
		That effort established a record of the distribution and relative abundance of the breeding bird species in Tennessee and is now available as The Atlas of the Breeding Birds of Tennessee.
		We have never endeavored to become a large organization, but we do seek members who by reason of their love of birds and nature, or through their scientific inclinations, can be expected to sustain these interests through TOS.
	www.tnbirds.org /aboutus.htm (657 words)

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