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Topic: Egret


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In the News (Sun 15 Nov 09)

  
  egret - Hutchinson encyclopedia article about egret
A little egret Egretta garzetta fishing in a pool in Gambia, W Africa.
The great white egret Egretta alba of southeastern Europe and other parts of the Old World, which grows to a length of 1 m/3 ft, develops snowy-white plumes, which were formerly used for ornaments.
The number of beautiful fishing birds, such as egrets and cranes, and the succulent plants assuming most fantastical forms, gave to the scene an interest which it would not otherwise have possessed.
encyclopedia.farlex.com /egret   (189 words)

  
 Egret - Wikipedia, the free encyclopedia
An egret is any of several herons, most of which are white or buff, and several of which develop fine plumes during the breeding season.
Several of the egrets have been moved around from one genus to another in recent years: the Great Egret, for example, was traditionally classified as either a member of Casmoderius, Egretta or Ardea.
In the 19th and early part of the 20th century, some of the world's egret species were endangered by relentless hunting, since hat makers in Europe and the United States demanded massive numbers of egret plumes and breeding birds were killed in locations all around the world.
en.wikipedia.org /wiki/Egret   (213 words)

  
 CSDL - Software Tools and Services - Egret
Egret's design is oriented toward application domains which require the collection, manipulation, and propogation of information about the state of collaboration.
Egret supports collaborative state collection and manipulation through primitive storage types (such as system nodes, personal nodes, typed nodes, global tables, cached nodes), primitive communication mechanisms (such as message forms, remote evaluation, events, and single/multiple client broadcasts), and more sophisticated features built on top of these mechanisms (such as event logging and real-time talk facilities).
The Egret Primer is a 120 page tutorial introduction to the basics of designing and implementing collaborative applications using the Egret framework, and is included in the Egret distribution.
csdl.ics.hawaii.edu /Tools/Egret/Egret.html   (1369 words)

  
 CSDL - Research - Egret
Egret clients and agents are implemented by a 15 KLOC extension to XEmacs, the X-window Emacs editor.
Egret servers are implemented by a 15 KLOC system written in C++.
Egret provides both low and high level storage and communication facilities for the development of (primarily textual) cooperative work applications.
csdl.ics.hawaii.edu /Research/Egret/Egret.html   (336 words)

  
 Cattle Egret   (Site not responding. Last check: 2007-08-19)
The cattle egret, also known as the buff-backed heron, is a white bird that ranges in length from 19 inches to 21 inches.
The egrets follow cattle, wild or domesticated feeding on the insects that are disturbed by the cattle.
The cattle egret was introduced to Hawaii in 1959 and they may be accountable for the decrease in native wetland birds because of their increasing competition for food and nest areas, and directly preying upon young birds.
www.honoluluzoo.org /cattle_egret.htm   (451 words)

  
 AllRefer.com - egret (Vertebrate Zoology) - Encyclopedia
Before they were protected by law the birds were nearly exterminated by hunters seeking their beautiful, white, silky plumage called aigrettes, used in millinery.
The reddish egret (Dichromanassa rufa) is white part of the year, changing to grayish with brown head and neck.
Egrets are classified in the phylum Chordata, subphylum Vertebrata, class Aves, order Herodiones, family Ardeidae.
reference.allrefer.com /encyclopedia/E/egret.html   (215 words)

  
 Great Egret   (Site not responding. Last check: 2007-08-19)
Distinguished from the snowy egret by its greater size (wingspan can be over 50 inches), its yellow bill, and fl legs and feet, the great egret can be spotted on Assateague from spring through fall, often along the main road at the edge of the water in a marsh.
Egrets are excellent fishermen who stand motionless in the water waiting for fish, although snakes, frogs, or some insects may be added to their diet.
The great egret in the two lower photos is enjoying a crab dinner near Toms Cove (map) as "laughing gulls" (Larus atricilla) shoot past hoping to catch some leftovers.
www.assateague.com /egret.html   (169 words)

  
 CT DEP: Great Egret Fact Sheet
Identification: The great egret is a large member of the heron family, with long legs, white plumage, and a slender body.
Immature egrets and non-breeding adults have no plumes and the color of their bills and legs is duller.
After about 3 weeks, the young egrets leave the nest and walk among nearby branches, returning to the nest to be fed. A week later, they are fed away from the nest and usually begin taking short flights 35 to 40 days after hatching.
dep.state.ct.us /burnatr/wildlife/factshts/gegret.htm   (761 words)

  
 Handbook of Texas Online: CATTLE EGRET
Cattle egrets nest in woodlands and swamps and on inland and coastal islands.
Cattle egrets nest about three weeks later than native herons and egrets; their breeding season is seven to nine weeks longer, and they are less selective of nest sites.
Cattle egrets reuse abandoned nests or take them apart for materials for their own nests, a behavior which is also common among native herons and egrets.
www.tsha.utexas.edu /handbook/online/articles/view/CC/tbc1.html   (1160 words)

  
 CGRO EGRET
EGRET covers the highest energy range of all the CGRO experiments - 30 MeV to 10 GeV with spectral resolution typically 25% and source location better than 0.5 degrees for strong sources.
EGRET is designed to cover the energy range from 20 MeV to about 30 GeV.
The principal characteristics of the EGRET instrument are summarized in Section C. The Co-Principal Investigators of EGRET are Dr. Carl E. Fichtel of the NASA/Goddard Space Flight Center (GSFC) and Dr. Klaus Pinkau of the Max Planck Institute for Plasma Physics.
astroa.physics.metu.edu.tr /~emrah/egret.html   (958 words)

  
 Watchable Wildlife -- Herons and Egrets   (Site not responding. Last check: 2007-08-19)
Great blue herons and great egrets are most often seen in their classic hunting stance: standing in shallow water quietly watching for fish, frogs, or crayfish to swim by.
Though well suited for hunting in water, herons and egrets can often be seen in open fields stalking mice and voles driven from their burrows by winter rains.
Egrets and herons vigorously defend their feeding territories from other members of the same species.
www.dfg.ca.gov /watchable/herons.html   (458 words)

  
 NWF - International Wildlife Magazine - African Egrets   (Site not responding. Last check: 2007-08-19)
In the breeding season, however, the cattle egret is transformed into a particularly handsome bird, flaunting orangish plumes on its crown, mantle and lower neck; its bill, legs and irises turn flame-red for a period of two or three weeks before egg-laying begins.
Cattle egrets are not unalterably tied to foraging with cows or, in their absence, with horses, sheep, goats, domestic geese and other livestock.
By 1972, the egrets were nesting on the Argentine pampas, with its huge concentration of cows, and five years later the birds reached Tierra del Fuego at the very tip of the continent.
www.nwf.org /internationalwildlife/egrets.html   (2553 words)

  
 NatureWorks - Great Egret   (Site not responding. Last check: 2007-08-19)
The great egret is a little over three feet tall with a wingspan of almost five feet.
The great egret is also known as the American Egret, the Common Egret, the Large Egret, the White Egret, the Great White Egret and the Great White Heron.
The male great egret chooses the nesting site and builds a nest platform of sticks and twigs in a tree or bush before he selects a mate.
www.nhptv.org /natureworks/greategret.htm   (403 words)

  
 Great Egret - Wikipedia, the free encyclopedia
The Great Egret (Ardea alba), also known as the Great White Egret, White Heron, or Common Egret, is a wading egret, found in most of the tropical and warmer temperate parts of the world, although it is very local in southern Europe and Asia.
The Great Egret is a large bird, only slightly smaller than the Great Blue or Grey Herons.
Apart from size, it can be distinguished from other white egrets by its yellow bill and fl legs and feet.
en.wikipedia.org /wiki/Great_Egret   (169 words)

  
 CT DEP: Snowy Egret Fact Sheet
Because the plumes of snowy egrets were in greater demand than those of the great egret, snowy egrets were killed in larger numbers by plume hunters.
Widespread killing of egrets for the millinery trade nearly caused the species to be extirpated from the state by the late 1800s.
Since the mid-1980s, snowy egrets have been observed using coastal areas in the state during summer, but breeding population levels still remain relatively low.
dep.state.ct.us /burnatr/wildlife/factshts/snegret.htm   (651 words)

  
 Audubon WatchList - Reddish Egret
Reddish Egret populations were devastated by commercial hunting in the late 1800s and early 1900s, when these birds (and others) were sought for their beautiful feathers.
Reddish Egrets are well-known for their distinctive foraging habits, which include running actively through shallow water and suddenly changing direction or jumping sideways.
The Heron Specialist Group, an organization devoted to the study and conservation of herons, egrets, and bitterns, has identified Reddish Egrets as a "Vulnerable" species, meaning that while the species is not critically endangered or endangered, it faces a high risk of extinction in the wild in the medium-term future.
audubon2.org /webapp/watchlist/viewSpecies.jsp?id=172   (908 words)

  
 All About Birds
A large white heron, the Great Egret is found across much of the world, from southern Canada southward to Argentina, and in Europe, Africa, Asia, and Australia.
In the United States, the Great Egret used to be called the American Egret but that was hardly appropriate, since the species range extends beyond America and indeed farther than other herons.
The Great Egret is the symbol of the National Audubon Society, one of the oldest environmental organizations in North America.
birds.cornell.edu /programs/AllAboutBirds/BirdGuide/Great_Egret_dtl.html   (492 words)

  
 Snowy Egret   (Site not responding. Last check: 2007-08-19)
In the latter part of the 19th century and into the early twentieth, snowy egret plumes were very popular on hats.
Since it takes about 4 birds to provide an ounce of plumes, these sales were responsible for the death of 192,960 birds, and several times that number of eggs or young destroyed in the rookeries.The result was that these birds were hunted until they were nearly extinct.
As with other herons, the crudeness of the nest, the elliptical form of the egg, and other signs suggest to some scientists that these birds are one of the lower forms on the scale of bird life, not far removed from the reptiles, when one reckons in eons of time.
www.wakullacounty.com /wakulla-15.htm   (223 words)

  
 EGRETDATA - CGRO/EGRET Photon Lists and Maps
EGRET Photon Counts and Map Files: These files have filenames of the type counts_vp####_g00#.fits and contain the standard EGRET maps of the photon counts for the various standard EGRET energy ranges.
Declination of the EGRET pointing in the specified equinox; notice that the original epoch of the positions was J2000.
Flag which specifies whether EGRET was in the wide field of view or narrow field of view observation mode; the latter was used extensively later in the mission to conserve spark chamber gas by limiting the number of event triggers.
heasarc.gsfc.nasa.gov /W3Browse/all/egretdata.html   (945 words)

  
 Great Egret
It can be distinguished by the length of its neck, which is greater than the length of its body (and with a noticeable kink two-thirds of the way up), a dark line extending from the base of the bill to behind the eye and the overall larger size.
Great Egrets can be seen alone or in small flocks, often with other egret species, and roost at night in groups.
In Australia, the breeding season of the Great Egret is normally October to December in the south and March to May in the north.
www.amonline.net.au /factsheets/great_egret.htm   (449 words)

  
 Predation on Birds by the Cattle Egret
Predation by the Cattle Egret on birds may occur elsewhere, perhaps more fre- quently than presently known, but it seems highly possible to me that Cattle Egrets may have been conditioned to this habit in the Dry Tortugas due to the scarcity of insect food there.
When the egret was about four feet away, the warbler escaped by flying weakly to a nearby bush.
Swallowing was hindered by eight other Cattle Egrets, which constantly pursued the egret which had the warbler.
elibrary.unm.edu /sora/Auk/v082n03/p0502-p0503.html   (895 words)

  
 Salt Grass Flats - Snowy Egret   (Site not responding. Last check: 2007-08-19)
During the 19th and early 20th centuries, Snowy Egrets were slaughtered almost to extinction for their fine plumes which were used to decorate hats.
In Texas, Snowy Egrets nest on dry islands with nests in prickly pear plants.
Snowy Egrets were once hunted almost to extinction for their beautiful "snow white" feathers.
www.saltgrassflats.com /birds/snowy_egret.html   (269 words)

  
 Georgia Wildlife Web Site; birds: Bubulcus ibis
In the southeast, the Cattle Egret is found in the coastal areas, with high breeding populations in most of Florida and southern Louisiana.
In Georgia, the Cattle Egret occurs in low breeding densities in the southeastern third of the state, and winters in extreme coastal Georgia.
The Snowy Egret is larger than the Cattle Egret, and has fl legs and bill and yellow feet.
museum.nhm.uga.edu /gawildlife/birds/ciconiiformes/bibis.html   (491 words)

  
 IFWIS - Great egret
The great egret is a wading bird that utilizes wetlands as its primary source of food; fish, crustaceans, frogs, snakes, and insects.
Although the foraging of the great egret has not been defined precisely it is considered to be similar to that of the great blue heron *03*.
Great egrets are also susceptible to eggshell thinning caused by hydrocarbons and the continuing use of persistent pesticides *01,19*.
www.inhs.uiuc.edu /chf/pub/ifwis/birds/great-egret.html   (2393 words)

  
 Snowy Egret--BIOLOGICAL AND ECOTOXICOLOGICAL CHARACTERISTICS OF TERRESTRIAL VERTEBRATE SPECIES RESIDING IN ESTUARIES   (Site not responding. Last check: 2007-08-19)
The snowy egret forages by walking slowly or standing motionless in water and striking at prey.
Snowy egret eggs were collected from National Wildlife Refuges located in the eastern half of the United States in 1972 and 1973 (Ohlendorf et al., 1978; 1979).
Mercury was determined in breast feathers of snowy egret nestlings and eggs from the New York Bight (Burger and Gochfeld, 1997).
www.pwrc.usgs.gov /resshow/rattner/bioeco/snowy.htm   (1941 words)

  
 Egrets
The egret is near the top of the food web.
Even though the history of the egret is an unhappy one, many efforts have been made to replenish their population.
If chemicals, pesticides, or just plain garbage get into the animals' habitats, the egret's nesting sites could be destroyed which would cause a reduction in the number of successful nestings.
www.twingroves.district96.k12.il.us /Wetlands/Egret/Egrets.html   (343 words)

  
 Snowy Egret
The Snowy Egret is an attractive bird whose plumes were highly valued for the decoration of women's hats in the late 1800's and early 1900's.
The plume trade took a great toll on Snowy Egret colonies, until the tide of public opinion and style turned against using plumes for decoration.
Snowy Egrets employ an interesting method when foraging for food; they use their feet.
digitalsportsman.com /wetlands/segret1.htm   (159 words)

  
 NatureWorks - Cattle Egret   (Site not responding. Last check: 2007-08-19)
The cattle egret is a small white heron about 19-21 inches in length with a wingspan of about three feet.
The cattle egret breeds from California east to the Great Lakes and Maine and south to the Gulf Coast.
The cattle egret is most often found near farmland and livestock.
www.nhptv.org /natureworks/cattleegret.htm   (343 words)

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