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[198.2.181.91]) by mx.google.com with ESMTPS id l64-20020a819443000000b005a8115e24absi302599ywg.96.2023.10.13.22.55.06 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Oct 2023 22:55:06 -0700 (PDT) Received-SPF: pass (google.com: domain of bounce-mc.us2_5939934.1333718-9b607bfe57@mail91.suw17.mcsv.net designates 198.2.181.91 as permitted sender) client-ip=198.2.181.91; Authentication-Results: mx.google.com; dkim=pass header.i=@mcc.mcsv.net header.s=k1 header.b=d9KlpjYU; dkim=pass header.i=@birds.cornell.edu header.s=k1 header.b=zqkuxTTu; spf=pass (google.com: domain of bounce-mc.us2_5939934.1333718-9b607bfe57@mail91.suw17.mcsv.net designates 198.2.181.91 as permitted sender) smtp.mailfrom=bounce-mc.us2_5939934.1333718-9b607bfe57@mail91.suw17.mcsv.net; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=cornell.edu DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mcc.mcsv.net; s=k1; t=1697262900; x=1697349300; bh=DkzT7eE6+bbbGCDx/m87wbDDCx/bppjkUPqXmvXGsto=; h=Subject:From:Reply-To:To:Date:Message-ID:X-MC-User:Feedback-ID: List-ID:List-Unsubscribe:List-Unsubscribe-Post:Content-Type: MIME-Version:CC:Date:Subject:From; b=d9KlpjYUTC4XmrP9zHWFtD03e9xjAnBbHQnKPmm3FxABSsLcbeg9bzRJ/ItxtcESP 6/mVqQLoLD/mgp5Ef9Ze2xjJ5ljbCCriSelDtxrCbXW3/naP9MJ/JOBqZELdvN4a8u vPyGRZ9f1eGOU9kZMWlTWwOIwlbKdtld8cBv7YxNadMnOouVTvq/7D9EFf6fEHQz1r xHzuKEUkzpjgjrQGtwETrePBjwxRvLWxlmowjaojVV5VzNxRAYeJv+xrYEbfzR133H Tu2xQiMTA1cPyR5lteP64YgLJrsWPfBeMnwSakXPp1OOkNbXetmuSYBfW7qMjMd28U 6nYG4hs9j0ddQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=birds.cornell.edu; s=k1; t=1697262900; x=1697523400; i=noreply-cornellbirds@birds.cornell.edu; bh=DkzT7eE6+bbbGCDx/m87wbDDCx/bppjkUPqXmvXGsto=; h=Subject:From:Reply-To:To:Date:Message-ID:X-MC-User:Feedback-ID: List-ID:List-Unsubscribe:List-Unsubscribe-Post:Content-Type: MIME-Version:CC:Date:Subject:From; b=zqkuxTTuCcfv0g5iJpQnEXZZzMS5M4iHjnX4VU67miI2eNHihh/KqNqx4R/AFKi0a Y9+/95Z3/6xHVYxQvLdF8Jo/Kz1k8jP58N8bY+S8Qvp0YGx/8RBB4t4QQaAkbUdF0m AxX2qAX+Ew4TitMnJrZJi6dE6cRqmCrgAujoMBt4= Received: from localhost (localhost [127.0.0.1]) by mail91.suw17.mcsv.net (Mailchimp) with ESMTP id 4S6sz8063czS6BK4c for ; Sat, 14 Oct 2023 05:55:00 +0000 (GMT) Subject: =?utf-8?Q?eNews=3A=20Duetting=20Owls=2C=20When=20Trees=20Attack=2C=20America=27s=20Arctic=2C=20a=20Quiz=20Bird=2C=20and=20More=21=C2=A0?= From: =?utf-8?Q?Cornell=20Lab=20of=20Ornithology?= Reply-To: =?utf-8?Q?Cornell=20Lab=20of=20Ornithology?= To: Date: Sat, 14 Oct 2023 05:54:54 +0000 Message-ID: X-Mailer: Mailchimp Mailer - **CID544a4da4ed9b607bfe57** X-Campaign: mailchimpb35ddb671faf4a16c0ce32406.544a4da4ed X-campaignid: mailchimpb35ddb671faf4a16c0ce32406.544a4da4ed X-Report-Abuse: Please report abuse for this campaign here: https://mailchimp.com/contact/abuse/?u=b35ddb671faf4a16c0ce32406&id=544a4da4ed&e=9b607bfe57 X-MC-User: b35ddb671faf4a16c0ce32406 Feedback-ID: 5939934:5939934.1333718:us2:mc List-ID: b35ddb671faf4a16c0ce32406mc list X-Accounttype: pd List-Unsubscribe: , List-Unsubscribe-Post: List-Unsubscribe=One-Click Content-Type: multipart/alternative; boundary="_----------=_MCPart_274770413" MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: [Gmail]/All Mail X-GMAIL-LABELS: "\\Important" "\\Inbox" X-GMAIL-THRID: 1779709149821139454 X-GMAIL-MSGID: 1779709149821139454 This is a multi-part message in MIME format --_----------=_MCPart_274770413 Content-Type: text/plain; charset="utf-8"; format="fixed" Content-Transfer-Encoding: quoted-printable In this issue: Duetting owls; off-course migrations; an unexpected threat= to grasslands=2C a quiz bird; and more! ------------------------------------------------------------ Is this email not displaying correctly? View it in your browser (https://us2.campaign-archive.com/?e=3D9b607bfe57&u= =3Db35ddb671faf4a16c0ce32406&id=3D544a4da4ed) . Cornell Lab logo. The Cornell Lab of Ornithology: Exploring and Conserving= Nature ** Cornell Lab eNews ------------------------------------------------------------ October 2023 https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3De1bdfc8b43&e=3D9b607bfe57 An unwelcome wave of eastern redcedar trees is advancing across the prairi= es. Illustration by Bartels Science Illustrator (https://cornell.us2.list-= manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3D343da9cb36&e=3D9b607bfe57) Maria Klos (https://cornell.us2.list-manage.com/track/cli= ck?u=3Db35ddb671faf4a16c0ce32406&id=3D6a2dd8afa9&e=3D9b607bfe57) . ** Battling a "Green Glacier" ------------------------------------------------------------ Is there such a thing as too many trees? It might be a surprise to learn t= hat one of the biggest threats to Great Plains grasslands is the advance o= f eastern redcedar=E2=80=94a tree planted across the region to provide sha= de=2C windbreaks=2C natural fences=2C and shelter for calves. Unfortunatel= y=2C redcedars are now turning prairies into woodlands=2C setting up an al= l-hands-on-deck battle to maintain and restore the grasslands that humans= and wildlife depend on. Read the feature from the latest issue of Living= Bird (https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a1= 6c0ce32406&id=3D47eecb3b0c&e=3D9b607bfe57) . WATCH: Reconsidering Cedar (https://cornell.us2.list-manage.com/track/clic= k?u=3Db35ddb671faf4a16c0ce32406&id=3Df7445576c2&e=3D9b607bfe57) =2C= a Cornell Lab=E2=80=93produced short film=2C spotlights the recent spread= of conifers across the Great Plains and the people working to save Americ= a's grasslands. https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3D489198e2ef&e=3D9b607bfe57 ** Raise Your Voice for America's Arctic ------------------------------------------------------------ Recently the Department of Interior proposed protecting 13 million acres o= f the National Petroleum Reserve in Alaska (https://cornell.us2.list-manag= e.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3De92f281b07&e=3D9b607bfe57) =2C underscoring its significance in safeguarding crucial bird= habitat and the broader Arctic environment. Preserving America's Arctic i= s also one step toward securing the planet's climate stability=2C an issue= that impacts us all. Join us in supporting conservation efforts to protec= t these lands and waters. Make your voice heard by November 7 (https://cor= nell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3Dce= 7c378cdd&e=3D9b607bfe57) . https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3Dec58a92fdb&e=3D9b607bfe57 Scarlet-headed Blackbird by Raphael Kurz/Macaulay Library (https://cornell= =2Eus2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3D9e48bc= e918&e=3D9b607bfe57) . ** Go Birding for October Big Day This Saturday ------------------------------------------------------------ Show your love for birds this weekend and help set a new record! Last year= during October Big Day=2C nearly 35=2C000 people from 185 countries submi= tted 80=2C000 checklists=2C demonstrating the power birds have to bring pe= ople together. Wherever you are on October 14=2C take a few minutes to joi= n in this celebration and be a part of the global team aiming to set a new= record (https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4= a16c0ce32406&id=3D49b0877eb6&e=3D9b607bfe57) for October birding. Enjoy Free Access to Birds of the World This Weekend: Discover new things= about your favorite species with Birds of the World (https://cornell.us2.= list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3D1a8a50e7b8&= e=3D9b607bfe57) . FREE ACCESS from 8 a.m. Friday=2C Oct.13=2C throug= h 9 a.m. on Monday=2C Oct. 16 (times are U.S. Eastern time). https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3D3b19a0f11f&e=3D9b607bfe57 ** Whooo's Ready for an Owl Duet? ------------------------------------------------------------ In the southeastern U.S.=2C Great Horned Owls can lay clutches of eggs as= early as December. Last month=2C a pair visited the Savannah Nest cam=2C= which has hosted both Great Horned Owls and Ospreys in recent years. The= duo scopes out the scene and engages in some extended duetting. Watch and= listen to the Great Horned Owls (https://cornell.us2.list-manage.com/trac= k/click?u=3Db35ddb671faf4a16c0ce32406&id=3D70541278f4&e=3D9b607bfe57= ) . Win Big with Bird Cams! You could win the Ultimate Fall Birdwatching Bundl= e worth more than $500=E2=80=94including binoculars from ZEISS and feeders= from Perky-Pet=E2=80=94or one of several runner-up prizes. Enter by Octob= er 23 to participate (https://cornell.us2.list-manage.com/track/click?u=3D= b35ddb671faf4a16c0ce32406&id=3D185de1c159&e=3D9b607bfe57) . https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3D60cfc4a4f9&e=3D9b607bfe57 Is October's mystery bird puffed up because winter is coming? Photo by Dan= Vickers/Macaulay Library (https://cornell.us2.list-manage.com/track/click= ?u=3Db35ddb671faf4a16c0ce32406&id=3D52f49b530f&e=3D9b607bfe57) . ** Which Species Is This? ------------------------------------------------------------ Here's a bird that looks like it's found its Halloween costume already. In= reality=2C this male is probably displaying for a nearby female by leanin= g forward and extending its ruff=2C or neck feathers. This species is comm= on year-round throughout Mexico=2C and by Halloween=2C most individuals wi= ll have departed south from their breeding range in the extreme southweste= rn U.S. Like other members of the genus Molothrus=2C they lay their eggs i= n the nests of other birds instead raising their own brood. Can you name t= his somewhat spooky species (https://cornell.us2.list-manage.com/track/cli= ck?u=3Db35ddb671faf4a16c0ce32406&id=3Da331b475d0&e=3D9b607bfe57) ? Captivating Courtship=E2=80=94Leaping for Love: Join us on October 25 at 5= :30 Eastern for a free live stream of the 2023 Paul C. Mundinger Distingui= shed Lectureship by Professor Regina Macedo=2C Department of Zoology=2C Un= iversity of Brasilia. Register now (https://cornell.us2.list-manage.com/tr= ack/click?u=3Db35ddb671faf4a16c0ce32406&id=3D6c10754b0b&e=3D9b607bfe57) ! Science News: Birders & AI Push Bird Conservation to the Next Level (https= ://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&i= d=3D1e870503cf&e=3D9b607bfe57) . Use eBird=2C Win Prizes: * Submit 5 or more eligible checklists on Global Big Day (October 14) and= you could win ZEISS DT1 thermal imaging camera (https://cornell.us2.list-= manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3D0072d9b0e2&e=3D9b607bfe57) . * Every eligible eBird checklist you submit in October could win you a sea= t in the Cornell Lab's Joy of Birdwatching online course (https://cornell.= us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3D1631984= 151&e=3D9b607bfe57) . Attend a Bird Festival: Many of these events offer guided field trips=2C k= eynote speakers=2C workshops=2C special events=2C exhibits=2C and vendors.= It's a great way to learn about birds and birding hotspots=2C and meet li= ke-minded people=E2=80=94check out our full listings (https://cornell.us2.= list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3Dafa8b76447&= e=3D9b607bfe57) . Work at the Cornell Lab: Visit our jobs page (https://cornell.us2.list-man= age.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3Dd3de2b7534&e=3D9b607bfe57) for current openings. NOTICE: The Cornell Lab Visitor Center is CLOSED for a major renovation th= rough Spring 2024. The trail system will remain open everyday from dawn un= til dusk. Read more about the closure and the exciting changes ahead (http= s://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&= id=3D2d420d2c01&e=3D9b607bfe57) . ** Join the Cornell Lab Today ------------------------------------------------------------ https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3D20a1250474&e=3D9b607bfe57 Blue-winged Teal by Bob Howdeshell/Macaulay Library (https://cornell.us2.l= ist-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3D310445d7e5&e= =3D9b607bfe57) . Begin a new chapter with birds by becoming a member of the Cornell Lab of= Ornithology! You=E2=80=99ll be part of a community that cares=E2=80=94for= birds=2C for wildlife=2C and for the Earth we all rely on. Join today starting at $44 (https://cornell.us2.list-manage.com/track/clic= k?u=3Db35ddb671faf4a16c0ce32406&id=3Dd0cdc7652b&e=3D9b607bfe57) and= begin receiving exclusive benefits=E2=80=94like our award-winning quarter= ly magazine=2C Living Bird (https://cornell.us2.list-manage.com/track/clic= k?u=3Db35ddb671faf4a16c0ce32406&id=3D4eab22fb2a&e=3D9b607bfe57) =E2= =80=94all while fueling the Lab=E2=80=99s conservation science and making= an impact for birds. https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3Dd6faae59f8&e=3D9b607bfe57 https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3D1911ef47c7&e=3D9b607bfe57 Eastern chipmunk by Karen Burke/ (https://cornell.us2.list-manage.com/trac= k/click?u=3Db35ddb671faf4a16c0ce32406&id=3Db88dd0b6b6&e=3D9b607bfe57= ) Project FeederWatch (https://cornell.us2.list-manage.com/track/click?u= =3Db35ddb671faf4a16c0ce32406&id=3D3971ca7ad7&e=3D9b607bfe57) . ** FeederWatching for Mammals! ------------------------------------------------------------ Have you ever wanted to keep track of the mammals that visit your yard? No= w you can=2C with FeederWatch! Join now and get ready to record chipmunks= =2C squirrels and other furry visitors (along with all your birds). Season= starts November 1. Learn more (https://cornell.us2.list-manage.com/track/= click?u=3Db35ddb671faf4a16c0ce32406&id=3De33c0fd6df&e=3D9b607bfe57)= . https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3Dc73e04410d&e=3D9b607bfe57 Eurasian Eagle-Owl by Skynavin via Shutterstock (https://cornell.us2.list-= manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3D4c6a5d3a58&e=3D9b607bfe57) . ** The Wonderful World of Owls ------------------------------------------------------------ As creatures of the night=2C owls are harder to get to know than other bir= ds. With world-renowned birder and ornithologist Kevin McGowan as your gui= de=2C this self-paced online course delivers a friendly and comprehensive= look at what makes owls so special and samples the exciting diversity of= the more than 200 species of owls worldwide. The Wonderful World of Owls (https://cornell.us2.list-manage.com/track/cli= ck?u=3Db35ddb671faf4a16c0ce32406&id=3D297832363a&e=3D9b607bfe57) is= on sale for a limited time. https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3Dcc723cadc7&e=3D9b607bfe57 Illustration by Jillian Ditner. ** Geomagnetic Disturbances and Off-Course Birds ------------------------------------------------------------ What could make a Western Tanager show up in Washington=2C D.C.? It's not= just bad weather that can cause migrating birds to veer far off course du= ring migration. New research shows the disturbances in the Earth's magneti= c field have the potential to disrupt birds' internal navigation system an= d lead them astray. See how scientists connected the dots (https://cornell= =2Eus2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3D65b43c= 73be&e=3D9b607bfe57) between geomagnetism and vagrancy. https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3D282702dcc5&e=3D9b607bfe57 Eurasian Hoopoe by Marco Valentini/Macaulay Library (https://cornell.us2.l= ist-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32406&id=3D11ba81429b&e= =3D9b607bfe57) . ** Tell Us What You Think! ------------------------------------------------------------ How do you feel about the Cornell Lab? We want to know! Your responses to= this brief survey (https://cornell.us2.list-manage.com/track/click?u=3Db3= 5ddb671faf4a16c0ce32406&id=3D91385d2ebc&e=3D9b607bfe57) will help us= better understand how you perceive the Cornell Lab of Ornithology. This c= onfidential survey should take about 5 minutes to complete=2C and will pro= vide us with valuable insight. https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c0ce32= 406&id=3D80253b2aa8&e=3D9b607bfe57 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D The Cornell Lab of Ornithology is a membership institution dedicated to in= terpreting and conserving the earth=E2=80=99s biological diversity through= research=2C education=2C and citizen science focused on birds. Visit the= Cornell Lab=E2=80=99s website at ** https://cornell.us2.list-manage.com/t= rack/click?u=3Db35ddb671faf4a16c0ce32406&id=3D68715ac23e&e=3D9b607bfe57 (https://cornell.us2.list-manage.com/track/click?u=3Db35ddb671faf4a16c= 0ce32406&id=3Ddb1db6f73c&e=3D9b607bfe57) =2E Copyright =C2=A9 2023 Cornell Lab of Ornithology=2C All rights reserved. You are receiving this message because you subscribed on our website or a= re a member=2C donor=2C participant=2C or contact of the Cornell Lab of Or= nithology. Our mailing address is: Cornell Lab of Ornithology 159 Sapsucker Woods Rd Ithaca=2C NY 14850 USA ** Update your information=2C manage subscriptions=2C or unsubscribe from= this eNewsletter (https://cornell.us2.list-manage.com/profile?u=3Db35ddb6= 71faf4a16c0ce32406&id=3D47588b5758&e=3D9b607bfe57&c=3D544a4da4ed) OR ** Unsubscribe from all Cornell Lab eNewsletters (https://cornell.us2.list= -manage.com/unsubscribe?u=3Db35ddb671faf4a16c0ce32406&id=3D47588b5758&e=3D= 9b607bfe57&c=3D544a4da4ed) --_----------=_MCPart_274770413 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable eNews: Duetting Owls=2C When Trees Attack=2C America's Arct= ic=2C a Quiz Bird=2C and More!=C2=A0 =09=09 =09
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In= this issue: Duetting owls; off-course migrations; an unexpected threat to= grasslands=2C a quiz bird; and more! Is this email not displaying corr= ectly?
View it in your browser.
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Cornell Lab eNews

October 2023
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An unwelcome= wave of eastern redcedar trees is advancing across the prairies. Illustration by Bartels Science Illustrator Maria Klos.
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Battling a "Gre= en Glacier"

Is there such a thing as too many trees? It might be a surprise to lear= n that one of the biggest threats to Great Plains grasslands is the advanc= e of eastern redcedar—a tree planted across the region to provide sh= ade=2C windbreaks=2C natural fences=2C and shelter for calves. Unfortunate= ly=2C redcedars are now turning prairies into woodlands=2C setting up an a= ll-hands-on-deck battle to maintain and restore the grasslands that humans= and wildlife depend on. Read the feature from the latest issue of Living Bird.

WATCH: Reconsidering Cedar=2C a Cornell Lab–produced s= hort film=2C spotlights the recent spread of conifers across the Great Pla= ins and the people working to save America's grasslands.

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Raise= Your Voice for America's Arctic

Recently the Department of Interior proposed protecting 13 million acres of the N= ational Petroleum Reserve in Alaska=2C underscoring its significance i= n safeguarding crucial bird habitat and the broader Arctic environment. Pr= eserving America's Arctic is also one step toward securing the planet&= #39;s climate stability=2C an issue that impacts us all. Join us in suppor= ting conservation efforts to protect these lands and waters. Make your voice heard b= y November 7.

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Scarlet-headed Blackbird by Raphael Kurz/Macaulay Library. =
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Go Bir= ding for October Big Day This Saturday

Show your love for birds this weekend and help set a new record! Last y= ear during October Big Day=2C nearly 35=2C000 people from 185 countries su= bmitted 80=2C000 checklists=2C demonstrating the power birds have to bring= people together. Wherever you are on October 14=2C take a few minutes to= join in this celebration and be a part of the global team aiming to set a new recor= d for October birding.

Enjoy Free Access to Birds of the World This Weekend:= Discover new things about your favorite species with Birds of the World. FREE ACCESS from 8 a.m. Friday=2C Oct.13=2C through 9 a.m. on M= onday=2C Oct. 16 (times are U.S. Eastern time).

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Whooo&= #39;s Ready for an Owl Duet?

In the southeastern U.S.=2C Great Horned Owls can lay clutches of eggs= as early as December. Last month=2C a pair visited the Savannah Nest cam= =2C which has hosted both Great Horned Owls and Ospreys in recent years. T= he duo scopes out the scene and engages in some extended duetting. Watch and listen to the Great Horn= ed Owls.

Win Big with Bird Cams! You could win the Ultimate Fal= l Birdwatching Bundle worth more than $500—including binoculars from= ZEISS and feeders from Perky-Pet—or one of several runner-up prizes= =2E Enter= by October 23 to participate.

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Is October's mystery bird= puffed up because winter is coming? Photo by Dan Vickers/Macaulay Library.<= /em>
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Which= Species Is This?

Here's a bird that looks like it's found its Halloween costume= already. In reality=2C this male is probably displaying for a nearby fema= le by leaning forward and extending its ruff=2C or neck feathers. Thi= s species is common year-round throughout Mexico=2C and by Halloween=2C mo= st individuals will have departed south from their breeding range in the e= xtreme southwestern U.S. Like other members of the genus Molothrus=2C they lay their eggs in the nests of other birds instead raising their= own brood. Can you name this somewhat spooky species?

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Captivating= Courtship—Leaping for Love: Join us on October 25 at 5:30= Eastern for a free live stream of the 2023 Paul C. Mundinger Distinguishe= d Lectureship by Professor Regina Macedo=2C Department of Zoology=2C Unive= rsity of Brasilia. Register now!

Science News: Birders & AI Push Bird Conservation to the Nex= t Level.

Use eBird=2C Win Prizes:

Attend a Bird Festival: Many of these events offer gui= ded field trips=2C keynote speakers=2C workshops=2C special events=2C exhi= bits=2C and vendors. It's a great way to learn about birds and birding= hotspots=2C and meet like-minded people—check out our full listings.

Work at the Cornell Lab: Visit our jobs page for current o= penings.

NOTICE: The Cornell Lab Visitor Center is CLOSED for a major re= novation through Spring 2024. The trail system will remain open e= veryday from dawn until dusk. Read more about the closure and the exciting changes a= head.

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Join the Cornell Lab Today<= /h3>


Blue-winged Teal by Bob Howdeshell/Macaulay Library.

Begin a new chapter with birds by becoming a member of the Cornell Lab= of Ornithology! You’ll be part of a community that cares—for= birds=2C for wildlife=2C and for the Earth we all rely on.

Join today starting at $= 44 and begin receiving exclusive benefits—like our award-winning= quarterly magazine=2C = Living Bird—all while fueling the Lab’s conservation= science and making an impact for birds.
Eastern chipmunk by Karen Burke/Project FeederWa= tch.

FeederWatching for Mammals!

Have you ever wanted to keep track of the mammals that visit your yard?= Now you can=2C with FeederWatch! Join now and get ready to record chipmun= ks=2C squirrels and other furry visitors (along with all your birds). Seas= on starts November 1. Learn= more.
Eurasian Eagle-Owl by = Skynavin via Shutterstock.

The Wonderful World of Owls

As creatures of the night=2C owls are harder to get to know than other= birds. With world-renowned birder and ornithologist Kevin McGowan as your= guide=2C this self-paced online course delivers a friendly and comprehens= ive look at what makes owls so special and samples the exciting diversity= of the more than 200 species of owls worldwide.

The Wonderful World of O= wls is on sale for a limited time.
Illustration b= y Jillian Ditner.

Geomagnetic Disturbances and Of= f-Course Birds

What could make a Western Tanager show up in Washington=2C D.C.? It'= ;s not just bad weather that can cause migrating birds to veer far off cou= rse during migration. New research shows the disturbances in the Earth'= ;s magnetic field have the potential to disrupt birds' internal naviga= tion system and lead them astray. See how scientists connected the dots between= geomagnetism and vagrancy.
Eurasian Hoopoe by Marco Valentini/Macaulay Library.

Tell Us What You Think!

How do you feel about the Cornell Lab? We want to know! Your responses to this brief survey wi= ll help us better understand how you perceive the Cornell Lab of Ornitholo= gy. This confidential survey should take about 5 minutes to complete=2C an= d will provide us with valuable insight.
The C= ornell Lab of Ornithology is a membership institution dedicated to interpr= eting and conserving the earth’s biological diversity through resear= ch=2C education=2C and citizen science focused on birds. Visit the Cornell= Lab’s website at htt= p://www.birds.cornell.edu.

Copyright © 2023 Cornell Lab of Ornithology=2C All rights reserve= d.

You are receiving this message because you subscribed on our website or a= re a member=2C donor=2C participant=2C or contact of the Cornell Lab of Or= nithology.
Our mailing address is:
Cornell Lab of Ornithology
159 Sapsucker Woods Rd=
Ithaca=2C NY<= /span> 14850

Add us to your address book
Updat= e your information=2C manage subscriptions=2C or unsubscribe from this eNe= wsletter

OR

Unsubscribe fro= m all Cornell Lab eNewsletters
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