The Cornell Lab of Ornithology is a world leader in the study, appreciation, and conservation of birds and biodiversity. birds.cornell.edu/home/ (White-breasted Nuthatch by Hannah Criswell / Macaulay Library)https://bsky.app/profile/cornellbirds.bsky.socialhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mw74e4uenv2tDudley Edmondson has created a biodiverse space that's a magnet for regional birds & a favorite stopover for migrants along the Great Lakes. As a professional author & photographer he'll inspire us with his imagery & stories of his favorite visitors. RSVP: https://cornell.zoom.us/webinar/register/WN_kYJPZOq9SIeaXXwMDi_ORg#/registration23 Sep 2026 16:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mw74e4uenv2thttps://bsky.app/profile/cornellbirds.bsky.social/post/3mw434suo4t2dBIRD QUIZ: Here is a bird photographed in California in early September. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Quinn Diaz for sharing this photo with eBird and the Macaulay Library archive.22 Sep 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mw434suo4t2dhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mvuxnz73fy2vScroll break! Stop for a few moments and get lost in this murmuration of Metallic Starlings in Queensland, Australia. 19 Sep 2026 15:09 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mvuxnz73fy2vhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mvsuw6s3s22bFrom the fastest dive to the largest wingspan, meet remarkable raptors from around the world! 🦅 Get a sneak peek at our upcoming Wonderful World of Raptors course with this free poster, illustrated by Joel Popp. Download and print your free copy at the link below: dl.allaboutbirds.org/raptor-poster https://dl.allaboutbirds.org/raptor-poster18 Sep 2026 19:15 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mvsuw6s3s22bhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mvkhue2ts62vBIRD QUIZ: Here is a bird photographed in Nova Scotia in early September. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Heather Michaud for sharing this photo with eBird and the Macaulay Library archive.15 Sep 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mvkhue2ts62vhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mvi6435g3o2vHummingbirds move too fast for most of us to see clearly. In a new Wild Birds Revealed video, filmmakers Tim and Russell Laman slow things down for an up-close look at Costa’s and Anna’s Hummingbirds—their flight, feeding, and relationship with flowers. Watch: bit.ly/4x3tn7114 Sep 2026 13:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mvi6435g3o2vhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mvdvqbjcqz2gFree Birds of the World Webinar! Diversity & Conservation of the World's Bustards, presented by members of the Bustards Without Borders team. The team just released a new Multi-species Action Plan for bustards, which grants new protections to these iconic species. https://birdsoftheworld.org/bow/news/bwb-msap12 Sep 2026 20:19 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mvdvqbjcqz2ghttps://bsky.app/profile/cornellbirds.bsky.social/post/3muyulw7gae2eBIRD QUIZ: Here is a bird photographed in Texas in September 2025. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Harlan Stewart for sharing this photo with eBird and the Macaulay Library archive.08 Sep 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3muyulw7gae2ehttps://bsky.app/profile/cornellbirds.bsky.social/post/3muukawtr222lJoin scientific illustrator Liz Clayton Fuller @ipaintbirbs.bsky.social on September 13 for a workshop that's sure to be a hoot! 🦉🎨✨ Learn to bring your owl illustrations to life with helpful guidance from Liz. Buy your tickets soon! Registration is limited: https://academy.allaboutbirds.org/live-event/illustrating-owls-with-liz-clayton-fuller/06 Sep 2026 17:44 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3muukawtr222lhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mupkcrzaxs23Using the habitat clues in this video, can you guess which birds will be featured in our upcoming videos from Wild Birds Revealed? Wildlife filmmakers Tim and Russell Laman use stunning close-up footage to reveal what makes familiar birds extraordinary. Drop your guesses in the comments.04 Sep 2026 18:02 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mupkcrzaxs23https://bsky.app/profile/cornellbirds.bsky.social/post/3mukqjv4qmp2zFree webinar alert! RSVP to learn strategies to protect and increase the biodiversity of your yard for native butterflies, moths, and other beneficial insects. All registrants will receive a copy of the recording after the event. RSVP: https://cornell.zoom.us/webinar/register/WN_8tHbv-cbQIa6M2dOMhc9Xg#/registration02 Sep 2026 20:10 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mukqjv4qmp2zhttps://bsky.app/profile/cornellbirds.bsky.social/post/3muhbdi7oj323BIRD QUIZ: Here is a bird photographed in Pennsylvania in early September 2024. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Peter Hamner for sharing this photo with eBird and the Macaulay Library archive.01 Sep 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3muhbdi7oj323https://bsky.app/profile/cornellbirds.bsky.social/post/3mtzc6rmafp2iFall Migration is already in full swing! Check out birdcast.org for live maps, migration alerts, and forecasts, and sign up for Email Migration Alerts (https://birdcast.org/migration-tools/local-migration-alerts/). Dim lights at night, Treat your window by day to help migrating birds avoid glass collisions.26 Aug 2026 21:38 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mtzc6rmafp2ihttps://bsky.app/profile/cornellbirds.bsky.social/post/3mtvo2zykce2nBIRD QUIZ: Here is a bird photographed in Arizona in mid-August. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Melissa Mancuso for sharing this photo with eBird and the Macaulay Library archive.25 Aug 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mtvo2zykce2nhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mttrpufkqs2iShorebirds often sport similar shapes and patterns, which makes their size one of the most important clues to help with an ID. Find out more and learn what to look for with this free downloadable guide, including full-color photos, and a size reference chart: https://dl.allaboutbirds.org/shorebird-pocket-2424 Aug 2026 17:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mttrpufkqs2ihttps://bsky.app/profile/cornellbirds.bsky.social/post/3msshk5zx5l22BIRD QUIZ: Here is a bird photographed in Colorado in early August 2025. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Rachel Leggett for sharing this photo with eBird and the Macaulay Library archive.11 Aug 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3msshk5zx5l22https://bsky.app/profile/cornellbirds.bsky.social/post/3msaubp323r2kBIRD QUIZ: Here is a bird photographed in Virginia in early August 2021. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Martina Nordstrand for sharing this photo with eBird and the Macaulay Library archive.04 Aug 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3msaubp323r2khttps://bsky.app/profile/cornellbirds.bsky.social/post/3mrpazb2dpq2zBIRD QUIZ: Here is a bird photographed in Montana in mid-July. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Jan Thom for sharing this photo with eBird and the Macaulay Library archive.28 Jul 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mrpazb2dpq2zhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mr5nqsbwjf24BIRD QUIZ: Here is a bird photographed in Alberta in mid-July. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Ayden Valkenburg for sharing this photo with eBird and the Macaulay Library archive.21 Jul 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mr5nqsbwjf24https://bsky.app/profile/cornellbirds.bsky.social/post/3mquk7wfhkk2dIf you're in an area that's impacted by the recent wildfires, you may be curious about how smoke impacts birds as well. Scientists have only recently begun studying smoke's effect on birds, read some of what they've found so far: https://www.allaboutbirds.org/news/is-the-smoke-from-wildfires-dangerous-to-birds/17 Jul 2026 20:03 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mquk7wfhkk2dhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mqozx6nkoj2wDid you know you can upload your field notes/sketches along with your eBird checklists? We love coming across these beautiful artistic snapshots from your birding adventures in Macaulay Library. Check out our Bird Academy sale on bird art courses + free webinars: academy.allaboutbirds.org15 Jul 2026 15:28 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mqozx6nkoj2whttps://bsky.app/profile/cornellbirds.bsky.social/post/3mqm2ifob6j24BIRD QUIZ: Here are a bird and its chick photographed in Michigan in early July. Do you know what species they are? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Matthew Dolkart for sharing this photo with eBird and the Macaulay Library archive.14 Jul 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mqm2ifob6j24https://bsky.app/profile/cornellbirds.bsky.social/post/3mqhsuk7fko2yDid you know that the warblers we see today in North America don’t always get their bold yellow colors from their own ancestors, but from other warbler species via hybridization? To celebrate warblers we’ve got a paint by numbers free downloads available: https://dl.allaboutbirds.org/warbler-paint-by-number12 Jul 2026 18:33 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mqhsuk7fko2yhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mqa2hllcry23New Living Bird magazine article: how a writer’s experiences with watching owls helped her recover from a traumatic brain injury. New studies are showing how birding can affect brain structure & foster a sense of well-being. https://www.allaboutbirds.org/news/birding-influences-brain-mental-health/09 Jul 2026 16:27 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mqa2hllcry23https://bsky.app/profile/cornellbirds.bsky.social/post/3mq2h7vsq4p2wBIRD QUIZ: Here is a bird photographed in Colorado in early July 2021. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Johanna Beam for sharing this photo with eBird and the Macaulay Library archive.07 Jul 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mq2h7vsq4p2whttps://bsky.app/profile/cornellbirds.bsky.social/post/3mpitxhff552fBIRD QUIZ: Here is a bird photographed in early June in Wisconsin. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Jonathan Fisher for sharing this photo with eBird and the Macaulay Library archive.30 Jun 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mpitxhff552fhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mpeagvbe6b2fBehind the scenes tour for our Living Bird magazine production! The Summer issue features bright warblers, Red Cockaded Woodpeckers & more! This quarterly magazine is available in print only to our members, the articles are also free online! Become a member https://join.birds.cornell.edu/page/150611/donate/128 Jun 2026 15:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mpeagvbe6b2fhttps://bsky.app/profile/cornellbirds.bsky.social/post/3moimtpejy32mGrasslands support people’s livelihoods, Indigenous cultures & ecosystem functions. But they are disappearing rapidly. More than 1/2 of bird species that depend on grasslands are in steep decline. We’re proud to be part of America’s Grasslands Coalition, learn more: grasslanders.org17 Jun 2026 15:27 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3moimtpejy32mhttps://bsky.app/profile/cornellbirds.bsky.social/post/3mofnglhx6422BIRD QUIZ: Here is a trio of birds photographed in early June in Virginia, north of their normal range. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Anne Bielamowicz for sharing this photo with eBird and the Macaulay Library.16 Jun 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mofnglhx6422https://bsky.app/profile/cornellbirds.bsky.social/post/3mnu26644ly2fBIRD QUIZ: Here is a bird photographed in Alberta in mid-June 2023. Do you know what species it is? Leave your answer in Comments and we'll post ours at the end of the day. Thanks to Sydney Mohr for sharing this photo with eBird and the Macaulay Library archive.09 Jun 2026 11:00 +0000at://did:plc:cs2l7ctips7swdqmpbrs26lm/app.bsky.feed.post/3mnu26644ly2f