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	Dawn chorus (electromagnetic) - Wikipedia, the free encyclopedia
		The electromagnetic dawn chorus is an unexplained phenomenon that occurs most often at sunrise or shortly after, that (with the proper radio equipment) resembles the sound of the birds' dawn chorus.
		It is thought to be caused by high-energy electrons that get caught in the Van Allen radiation belts of the Earth's magnetosphere and fall to the Earth's surface in the form of audible radio waves.
		Dawn choruses occur more frequently during magnetic storms.
	en.wikipedia.org /wiki/Dawn_chorus_(electromagnetic) (164 words)

	Dawn chorus - Wikipedia, the free encyclopedia
		In some territories where birdlife is extensive and birds are vocal, the sound of a dawn chorus can render early morning sleeping impossible.
		Dawn Chorus in the UK In the UK the vast majority of organised Dawn Chorus walks take place in May, with many begining as early as 4am.
		An annual International Dawn Chorus Day is held, where the public are encouraged to rise early, to listen to bird song, at organised events.
	en.wikipedia.org /wiki/Dawn_Chorus (222 words)

	The Life of Birds \| Songs
		The dawn chorus is one of the marvels of nature.
		By singing at dawn, when their energy reserves are low after the night, male birds may be telling females that they are nevertheless still fit for breeding.
		Dawn may be a good time to sing, but there is likely to be a lot of vocal competition.
	www.pbs.org /lifeofbirds/songs (2969 words)

	Big-Eyed Birds Sing Early Songs: Dawn chorus explained: Science News Online, April 20, 2002 (Site not responding. Last check: 2007-10-09)
		As dawn breaks on a misty Welsh morning, the earliest birds to break into song are likely to include European robins, followed by flbirds and song thrushes and then a plethora of other species as sunlight crowns the horizon.
		The last to join the chorus, such as chaffinches and blue tits, may not chime in until 100 minutes after the first crooners began.
		Birds singing at dawn and dusk attract mates and defend their territories.
	www.sciencenews.org /20020420/fob7.asp (428 words)

	Birdwatch Ireland Conservation Work (Site not responding. Last check: 2007-10-09)
		Dawn Chorus day is an international event organised by bird and wildlife conservation groups in many countries, on or near the first /second Sunday in May. See www.idcd.info
		People who have never before experienced a full dawn chorus in a woodland park or even a well-wooded garden are often astonished by how many birds seem to be involved.
		The dawn chorus is one of nature’s greatest spectacles, one that is so easily missed as it all takes place before we’re even out of bed.
	www.birdwatchireland.ie /bwi/pages092003/news/news_dawnchorus05.html (896 words)

	Dawn Chorus \| Catalyst Magazine (Site not responding. Last check: 2007-10-09)
		Birds -- on the whole -- sing most at the earliest glimpse of daylight, something that has come to be known as the dawn chorus.
		There's really no single, definitive explanation for why birds are at their most vocal at dawn as opposed to other times of day.
		The dawn is not a very good time for most birds to hunt for food, because the prey just isn't moving around yet.
	www.catalystmagazine.net /issues/story.cfm?story=515 (616 words)

	BirdForum - Dawn Chorus
		At dawn, however, a male often sits on the ground near a male from a neighboring territory and delivers bursts of song as if they were shot from a machine gun.
		Furthermore, during the dawn chorus conditions are often too dark to forage, so singing then is an efficient use of time.
		She could base her decision on her knowledge of dominance hierarchies established during the winter flocks, but that knowledge is probably reinforced by information she gleans from the dawn performances of males in the population.
	www.birdforum.net /showthread.php?t=5351 (2136 words)

	News Archives from Antarctica - Antarctic Connection (Site not responding. Last check: 2007-10-09)
		When converted to audible sound waves, they are remarkably like birdsong and for this reason were named "Dawn Chorus" when they were discovered in the mid 20th century.
		Dr Andy Smith and colleagues at BAS believe that 'chorus waves' are the accelerating power behind so-called 'killer electrons' that damage communications satellites during space storms.
		They find that the intensity of the chorus increases significantly after storms and argue that their results support the theory that chorus is at least partly responsible for killer electrons.
	www.antarcticconnection.com /antarctic/news/2004/051404-chorus.shtml (667 words)

	Spaceflight Now \| Breaking News \| ESA's Cluster satellites tune in to the dawn chorus
		This 'dawn chorus' resembles the sound of a rookery heard from a distance and is thought to be generated by high-energy electrons (atomic particles that have a negative electric charge) trapped in the Earth's radiation belts.
		"The chorus is detected most on the Earth's morning side, but it's not clear why," said Craig Kletzing of the University of Iowa, a co-investigator on the WBD team.
		The dawn chorus is just one example of the natural phenomena that are being studied in unprecedented detail with the aid of the four Cluster spacecraft.
	www.spaceflightnow.com /news/n0108/13cluster2 (864 words)

	Dawn Chorus Day
		The dawn chorus occurs because as winter retreats, male songbirds sing to attract potential females, protect their territory and to warn off other males.
		However, as soon as it is light enough to look for food, the dawn chorus comes to a close which is why you have to be an ‘early bird’ to hear it.
		For those who want to experience the dawn chorus in the wild, The Wildlife Trusts organise early morning bird walks and dawn chorus breakfasts.
	www.wildlifetrusts.org /index.php?section=places:events:dawnchorusday (283 words)

	Fidelity Life lends their support to the Dawn Chorus (Site not responding. Last check: 2007-10-09)
		Fidelity Life is pleased to announce their involvement with the Dawn Chorus initiative of the New Zealand National Parks and Conservation Foundation.
		“Dawn Chorus” has been developed by the Conservation Foundation to bring more focus and meaning to conservation for all New Zealanders.
		By being involved in the Dawn Chorus Initiative we are ensuring that there will be a dawn chorus for future generations to enjoy and treasure.
	www.fidelitylife.co.nz /homepage/news/dawnchorus.asp (194 words)

	News Archive
		International Dawn Chorus Day was originally conceived by The Wildlife Trust for Birmingham and Black Country, one of the 47 Trusts in The Wildlife Trusts' partnership.
		For those who want to experience the dawn chorus in the wild, The Wildlife Trusts have organised early morning bird walks and dawn chorus breakfasts at a selection of its 2,500 reserves.
		However, after hours of darkness the birds are hungry and as soon as it is light enough to look for food, the dawn chorus comes to a close.
	www.wildlifetrusts.org /index.php?section=news:archive&id=396 (685 words)

	eNature: Articles: Detail
		The dawn chorus of bird songs is well worth the effort.
		Mine is the cathedral-like caroling of a Hermit Thrush, pealing from an evergreen forest in the mountains of Maine and West Virginia.
		Regardless of your favorite, you can enjoy the exquisite sounds of the common birds around your home, The mix is an ethereal chorus of the most heavenly songs.
	www.enature.com /articles/detail.asp?storyID=489 (237 words)

	Naturerecordists 2001 Worldwide Dawn Chorus Recording Project (Site not responding. Last check: 2007-10-09)
		For birds, the dawn chorus is an expression of being.
		Lasting only a short time in each location as it sweeps around the world, the dawn chorus illuminates a band of earth from pole to pole as brightly in its way as does the sun.
		On September 1, 2001, recordists around the world got up before dawn, set up their equipment, and, for the first time, captured some of the grand acoustic sweep in a simultaneous collaborative effort.
	www.mirror-pole.com /natr_rec/090101/dawn1.htm (259 words)

	Press Release (Site not responding. Last check: 2007-10-09)
		A recent theory by BAS scientists and colleagues, based on measurements in space and Antarctica, has proposed that chorus waves generated by the solar wind interact with and accelerate the electrons.
		Antarctica is well placed to observe the dawn chorus, since these very low frequency radio waves are transmitted via the Earth\'s magnetic field to the polar regions.
		In a recent paper in the Journal of Geophysical Research, Andy Smith and Richard Horne at BAS and Nigel Meredith at the Mullard Space Science Laboratory reported their studies of the chorus* observed at Halley during a large number of space storms which occurred over the 11 year interval 1992-2002.
	www.antarctica.ac.uk /News_and_Information/Press_Releases/story_print.php?id=98 (618 words)

	Cheshire Wildlife Trust, International Dawn Chorus Day Event (Site not responding. Last check: 2007-10-09)
		Originally conceived by The Wildlife Trust for Birmingham and Black Country, The Wildlife Trusts’ International Dawn Chorus Day, is an annual celebration of the world’s oldest wake-up call – the dawn chorus – and the beauty of bird song.
		However, as soon as it is light enough to look for food, the dawn chorus comes to a close which is why you have to be an ‘early bird’ to hear it.
		Throughout the UK, people with gardens that attract birds are encouraged to wake up early, just after 4am, and hear the dawn chorus from their bedroom window.
	www.wildlifetrust.org.uk /cheshire/news_dawnchorus.htm (194 words)

	EXPERIENCE INTERNATIONAL DAWN CHORUS DAY ON MAY 3 (Site not responding. Last check: 2007-10-09)
		"Dawn Chorus" started 13 years ago in England and has now spread to many other countries including Russia, Kenya, Israel, Spain and other European nations.
		If you are not the early-bird type and would prefer to wing it at home, you can still participate in "Dawn Chorus." Simply open your bedroom window and listen and count how many different birds songs you hear.
		"Dawn Chorus" is one of many events sponsored by the Colorado Urban Wildlife partnership.
	www.dnr.state.co.us /cdnr_news/wildlife/980326163213.html (284 words)

	CNN.com - Space, like Earth, has melodic dawn chorus - August 17, 2001
		In nearby space, an uncannily similar chorus erupts each dawn, expressed by electrons instead of birds.
		The dawn chorus is thought to be the work of highly energetic electrons, ensnared in the Earth's radiation belts.
		"The chorus is detected most on the Earth's morning side, but it's not clear why," said Craig Kletzing, a University of Iowa researcher who tuned in with the Cluster fleet, four European Space Agency satellites studying the Earth's magnetic fields.
	archives.cnn.com /2001/TECH/space/08/17/earth.song (382 words)

	RTÉ Radio One, Mooney Goes Wild, The Dawn Chorus
		It usually refers to those sounds made by birds that sing during the breeding season, which for most birds in Ireland is between late March and the beginning of July.
		The dawn chorus is usually associated with woodland birds but it can be heard everywhere.
		To celebrate ten years on air in May 2005, Mooney Goes Wild produced a special CD and poster of The Dawn Chorus exclusive to the RTÉ Guide.
	www.rte.ie /radio/dawnchorus (695 words)

	dawn chorus definition - Dictionary - MSN Encarta
		dawn chorus definition - Dictionary - MSN Encarta
		Search for "dawn chorus" in all of MSN Encarta
		a dawn chorus of power drills and hammering
	encarta.msn.com /dictionary_1861688811/dawn_chorus.html (103 words)

	BBC - Science & Nature - Birds - Bird sounds
		It is always dawn somewhere around the globe.
		Chris Baines held a memorable dawn chorus party, and Chris Watson rejoiced when he recorded the perfect chorus.
		Chris Harbard of the RSPB investigates the conservation status of our dawn chorus birds.
	www.bbc.co.uk /nature/programmes/radio/dawn_chorus (195 words)

	McGreevy ground-based VLF recordings (Site not responding. Last check: 2007-10-09)
		In this segment, squawking "chorus" is accompanied by a multitude of "sliding-tone emissions." When these sliding- tones would be heard, the aurora would suddenly brighten up and move quicker.
		Loud Dawn Chorus and Hiss, recorded 18 Aug. 1993 in southeastern Oregon's Alvord Desert.
		In this segment, squawking "chorus" is accompanied by a multitude of "sliding-tone emissions." When these sliding- tones would be heard, the aurora would suddenly brighten up and move more quickly.
	image.gsfc.nasa.gov /poetry/sounds/sounds.html (1596 words)

	Imported Section B Welsh mare: *Telynau Dawn Chorus
		We are delighted to bring Telynau Dawn* Chorus to the USA where we feel she will be a valuable asset to the world of Section B's.
		A daughter of the well known Royal Welsh Champion, *Telynau Royal Charter, who has continued his winning ways here in the USA winning his Legion of Merit, as well as halter and performance high points and championships too numerous to mention.
		Dawn Chorus arrived from the UK in the fall of 2003, in foal to the beautiful Laithehill Allegro (Abercrychan Spectator x Weston Anita).
	www.welshponies.com /dawnchorus.htm (183 words)

	dawn chorus - OneLook Dictionary Search
		Tip: Click on the first link on a line below to go directly to a page where "dawn chorus" is defined.
		dawn chorus : Compact Oxford English Dictionary [home, info]
		Phrases that include dawn chorus: international dawn chorus day
	www.onelook.com /?loc=rescb&w=dawn+chorus (104 words)

	Indian Folktales, The Dawn Chorus, The Owl kept his promise, and woke Finch up very early every morning...,
		Indian Folktales, The Dawn Chorus, The Owl kept his promise, and woke Finch up very early every morning...,
		He was the leader of the Dawn Chorus, and Finch was late again.
		"Shouldn't you be out there singing with the Dawn Chorus?" asked a slow voice beside him.
	www.4to40.com /folktales/index.asp?article=folktales_dawnchorus (279 words)

	Dawn Chorus (electromagnetic) Character sketch @ AlienArtifacts.com (Alien Artifacts) (Site not responding. Last check: 2007-10-09)
		Dawn Chorus (electromagnetic) Character sketch @ AlienArtifacts.com (Alien Artifacts)
		Find More Information about "Dawn chorus (electromagnetic)" in AlienArtifacts.com's:
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	www.alienartifacts.com /encyclopedia/Dawn_chorus_(electromagnetic) (275 words)

	purevolume™ \| The Dawn Chorus (Site not responding. Last check: 2007-10-09)
		The Dawn Chorus hasn't posted a blog yet.
		The Dawn Chorus hasn't posted any shows yet.
		All songs, lyrics and pictures © 2005 The Dawn Chorus.
	www.purevolume.com /thedawnchorus (84 words)

	CNN.com - Will Rio rock to the dawn chorus? - May 7, 2002
		But in a country where the minimum wage is less than US$100 a month, only a few privileged fans can afford tourist packages costing on average $6,000 for air tickets, match tickets and hotels.
		Back at home, most people are willing to wake up at dawn to watch the games -- then eight out of 10 plan to go to work, whatever their mood, according to opinion polls.
		The surveys did not reveal whether the effects of alcohol might interfere with the working day.
	www.cnn.com /2002/WORLD/worldcup/04/30/brazil.preview/index.html (622 words)

	index
		International Dawn Chorus Day is an opportunity to set aside the environmental challenges we face for a few minutes.
		I hope you will be able to take part in International Dawn Chorus Day, you will be one of many, but remember, each dawn chorus is special.
		International Dawn Chorus Day is organised by The Wildlife Trust for Birmingham and the Black Country, UK registered Charity No.513615, UK Registered Company No. 1650938.
	www.wildlifetrust.org.uk /urbanwt/idcdsite (312 words)

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