Team BirdCast
@DrBirdCast
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Scientists forecasting and analyzing bird migration with weather, radar, and community science data. Tweets from @bvdbirds , @Kyle__Horton and @AdriaanDokter
Joined October 2016
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BirdCast's Migration Dashboard is now live! Follow the amazing numbers of migratory birds passing over your local county or state, in real-time! Dig into flight altitudes, migration speeds, historical comparisons, and much more!
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Birds taking off at sunset, heading out over the Gulf of Mexico. In the next 15-25 hours, these birds will have made landfall in Central America. Safe travels!
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Tonight, the skies fill with birds heading south. Happy birding all!! ⚫️🟣🟠🟡⚪️
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Hundreds of millions of migrating birds in the skies tonight!
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The river of birds is really flowing tonight! Don't forget to turn off nonessential lighting to help them reach their winter homes safely 🐦🌖🐦
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We're now in the swing of peak fall bird migration. Tonight we're predicting a BIG movement. Let's goooooo! ⚫️🟣🟠🟡⚪️
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Exciting times – millions of birds are on the move tonight in the east! 🌒🐦🎶
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Tonight might be the largest wave of birds taking off for the entire fall season!!!🐦x 559 million!!!
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🚨🐦🚨🐦🚨🐦
We're just 9 sleeps away from the best day of the year: when
@DrBirdCast
forecasts start for spring migration!
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We’re expecting a flight of over 360 million birds tonight. Step outside, find a quiet area, and listen carefully — you might just hear a steady stream of calls from high above...
Another night of heavy bird migration unfolding tonight in the eastern US!
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Your state gets a million birds, and your state gets a million birds, every state gets a million biiirrrdddsss!!! 🐦🐦🐦🐦🐦
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Over 400 million migratory birds are predicted to take flight tonight. If you can, turn off your porch light, pull the shades, and extinguish decorative lights. Every bit helps!
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Another night of heavy bird migration unfolding tonight in the eastern US!
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We are deeply saddened by the mass bird collision events that occurred this week in NYC. With our partners across the US, we recommend turning off all non-essential lights during migration periods and call for bird friendly building design to prevent these awful occurrences.
Some of the 226 dead birds I picked up this morning while window collision monitoring for
@NYCAudubon
. 205 from
@3NYWTC
and
@4WTC
alone. Many others swept up, inaccessible, or too mangled to collect. 30 injured to
@wildbirdfund
. If you’re in NYC today, be careful where you step.
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Northeast and Gulf states currently seeing a strong push of nocturnal migrants. 📡📡
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🚨 We're predicting a big push of migrants through the Midwest tonight. If you can, help these birds by turning off your lights. Happy birding, happy listening!
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We're forecasting a huge flight of migratory birds through the central flyway tonight. Turning off your lights can help birds safely pass through the night -- especially in areas of red (🚨)! 📡🐦
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April is here, and soon the birds will be too! Happy birding!
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Species assemblages might be changing, but huge numbers of birds still continue to head south. Tonight, we're predicting 450+ million birds taking flight.
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Tonight's the night! We're predicting the biggest push of migrants thus far for this fall season. Areas in red (🔴) will see locally high overhead flights. If you're in one of these areas, turning off your lights can help these birds safely pass. Every bit helps!
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We're back for the fall! Bird migration will start to heat up this weekend. Forecasts at .
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Migration in progress! Watch the airspace over the water near Houston fill with migrants as they arrive today after their trans-Gulf flights
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Spring migration is underway! Eastern Phoebes are steadily pushing north.
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We're going into the back half of the fall migration season. There's still a number of big flights left. Here's our seven day forecast. Happy birding!
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Last night: Migrating birds take off from the Florida Keys, followed by an inbound pulse from Cuba & the Caribbean.
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Migration has been very strong this week, but birds flew at very high altitudes (up to 10,000 ft!). Read more on why these massive flights not necessarily lead to spectacular birding on the ground:
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We ranked the top 5 bird migration nights of spring 2021 . The peak night was May 14-15, with an estimated 698 million birds in flight towards their breeding grounds!
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Big arrival of migrating birds happening now at Houston and especially Lake Charles; easily several million. Most 500-1500 m high—look up!
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Migration Alert: northeastern North America bird migration flood gates to open (finally!)
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We're predicting upwards of 400 million birds to be migrating over the US during each of the next three nights as we head towards the peak of spring migration. See and for more.
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BirdCast has a new feature! Forecast and live migration maps now estimate the total number of birds predicted or observed in flight above the contiguous United States. More:
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By Tuesday night, most of the eastern United States will experience excellent conditions for nocturnal bird migration. We're predicting large and widespread migratory pulses comprising hundreds of millions of birds. More at .
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Lights Out Texas! Millions of birds heading north tonight. 🚨
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Right on cue, the east is lighting up tonight! We are predicting that 400 million birds will be on the move towards their summer breeding grounds. See and
@Kyle__Horton
's . 🐦🐦🐦
More bird migration action to come to the south, midwest, and northeast tonight, with pockets of activity in other areas.
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Great news for birds from NYC!
#LightsOutNYC
legislation was just PASSED UNANIMOUSLY by the
@NYCCouncil
! Int. 271 & 274 will significantly reduce lighting from buildings owned and used by the City during peak migration from 11pm-6am, helping to prevent the 230,000 bird collisions that happen in NYC annually!
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Millions of birds will fill the central flyway this weekend as we approach early May, the peak of spring bird migration in the US. See our 3-day migration forecast at .
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We expect a big next several days for bird migration as we enter the peak period of the spring. For the next 2-3 weeks, hundreds of millions of birds will likely be aloft each night.
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For the next few weeks, the nighttime skies will be filling with our favorite colorful birds. Here's the forecast for the next three nights. Happy birding!
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Watch last night's live migration map *spring* to life with millions of birds as the red sunset line moves across the country. Nocturnal migrants take to the skies about 30-45 minutes after sunset.
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One of the godwits has left Alaska – next stop New Zealand!! He's now in the absolute middle of the Pacific -
Mind blowing stuff.
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The BirdCast model is predicting one of the biggest migration nights of the year for the Northeast tonight, with widespread light northerly winds expected this evening. And check out Hurricane Paulette offshore! Viz from by
@cambecc
.
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🚨Happening now!🚨 The Fort Hood radar in TX is currently detecting what appear to be large streams of migrating birds – maybe Turkey Vultures or Swainson's and Broad-winged Hawks. Any birders on the ground around Austin to help us solve this mystery?
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Tonight, we'll have favorable conditions for bird migration to the east of a moving frontal boundary. We are predicting heavy migration in the southeast extending north to the Great Lakes. Migrants should reach the northeast tonight, with fewer in New England.
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We forecast 400 million birds moving tonight across the US. 89 million migrants are predicted to move through two states, Texas and Louisiana. 👀👀👀
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More bird migration action to come to the south, midwest, and northeast tonight, with pockets of activity in other areas.
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Spring bird migration is starting to heat up across the US, with over 60 million migrants forecast to take flight tonight! More at and .
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Our
#BirdCast
is calling for the first intense pulse of fall migration through the central flyway early next week, spilling somewhat east by midweek. The 3-day forecast is always available at .
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Widespread movements underway! Watch as millions of birds take to flight with the setting sun. Head over to for updates through the night.
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Curious about how we BirdCast? Read our primer on using radar to monitor bird migration () and our radar FAQs ().
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BirdCast is back, and better than ever! This season, for the first time, we’re introducing automated migration forecasts and a live feed of nocturnal migration. This is a monumental step forward, and a vision that has long been in the works. Let us know what you think.
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Migration Alert 🚨 Our model is predicting high intensity migration for the continental US for the night of 3-4 September 2020, comprising over 400 million birds. See which species are moving at
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Introducing the first major update to in nearly 8 years! We have completely revamped the look of the site, added local migration alerts (🚨), and shifted our maps to a nocturnal theme (🌙 ). Many folks working hard behind the scenes to make this happen.
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We’ve got slick new live migration graphics thanks to radar wizard
@AdriaanDokter
. Have a look at
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Fall migration is slowly gaining momentum. Our long-range
#BirdCast
predicts a nice pulse of migration through the central flyway early next week. Stay tuned as we get closer.
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😱🐦🐦🐦
THIS IS A TON OF BIRDS! Happening now over Kentucky, Tennessee, Indiana, and Illinois. Yowza!
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It’s on in the east!
Migration Alert: northeastern North America bird migration flood gates to open (finally!)
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This weekend featured spectacular morning flights - check out these mind-numbing lists from
@MOBrien152
, Hannah Toutonghi (photo cred), and Daniel Irons.
(featuring over 10,000 American Redstarts 🤯)
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🚨 Tomorrow’s the
#GlobalBigDay
. Tonight we expect as many as 466 million birds to shuffle across the skies of the US. Submit an
@Team_eBird
checklist tomorrow to let us know what you see! Happy birding from the BirdCast crew!
#Birding
|
#Ornithology
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Migration is starting to heat up 🐦🔥. Here's your 7 day forecast!
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Potentially interesting migration and rain interactions from south New England to mid Atlantic. Good time for listening for flight calls at the interface of storms and birds. 🌧️🐦
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🚨Vagrancy alert!🚨 Winds over the North Atlantic are forecast to blow from the east this week, providing opportunities for European species to be blown across the ocean to North America.
Read more:
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Last night saw widespread northbound bird movements in the eastern United States, in line with our forecast. We're expecting tonight to be another big night.
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Thank you to former First Lady Laura Bush for continuing to amplify the Lights Out movement! See when birds are migrating through your area at and join us in turning out non-essential night lighting this migration season.
Each year, nearly two billion birds migrate through Texas. Help protect our feathered friends by turning off your non-essential lights at night during Texas’ peak spring bird migration, April 19–May 7. More with
@dallasnews
:
#LightsOutTexas
#TexanbyNature
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The first Scarlet Tanagers have arrived! This one photographed yesterday near Pensacola, Florida:
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We're coming into peak migration season. Here's the next 7 nights of predicted migration. Time to brush up on those warbler tunes... 🎧🐦.
#birding
|
#ornithology
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🚨Storm birding alert🚨
What birds to look for as Hurricane Henri approaches, including live
@Team_eBird
sightings map:
As always, safety is the top priority.
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Great visualization of migrating birds heading southwest from mainland Florida and the Keys!
Meteorological fall has begun w/ bird migration activity picking up in the
#FLKeys
. KBYX detects these birds as deviate echoes moving south, while showers move westward w/ atmospheric flow. Birds are seen day & night, but the nocturnal exodus (at the end) is most spectacular.
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*ENK ENK ENK*
Red-breasted Nuthatch alert!
Red-breasted Nuthatches are on the move in northeastern North America. For more, see , thanks to Doug Gochfeld and Tom Johnson.
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As we approach the full moon on May 7, it is a great time to point a telescope upwards during nights of bird migration to see migrants flying across the disk of the moon. This video from David La Puma via YouTube:
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If you're in eastern/central North America, Purple Martins are likely already buzzing through your local airspace. And if they're not, they will be soon! Animation powered by your
@Team_eBird
observations.
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South(east) winds should finally bring some bird migration to the northeast tonight! The easterly component will likely result in more birds stopping over tomorrow in inland areas compared to the coast.
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We're expecting major migration events for each of the next three nights as hundreds of millions of birds race northwards. Judge the accuracy of our forecasts for yourself by tuning into the live migration maps on , and submit your sightings to
@Team_eBird
!
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In line with our forecast, it’s full speed ahead for migrating birds in the central US tonight. More to come in the next few nights.
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Which species are migrating this weekend? View the Species On The Move!
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And they're off. It's looking like there's going to be a good push of migrants into New Jersey tonight. Best of luck teams competing in the 35th
@NJAudubon
World Series of Birding!
#WSB18
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Tonight: a big migration pulse expected from west Texas to Michigan.
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After several years (and hundreds of graphics) describing migration, we decided that it was about time to let you know what happens behind-the-scenes at BirdCast. Check out this article to learn more:
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Large migratory flight underway through much of the eastern US (blue and green circular blooms). Thunderstorms (shown in yellows and reds) moving through the Midwest could force migrants to make landfall. Elevated flight calling likely in regions abutting thunderstorms.
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Our new local migration alerts, crafted especially for your city 🐦
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Lots happening 31 Mar–7 Apr! Many new species on the way, fallout potential along the Gulf Coast. Our forecast:
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Heads up! Another blast of migrants is predicted for the next three days. Be sure to get out this weekend to see what makes landfall. Head over to for live views each night.
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Bird migration forecast maps v live bird migration maps. Wipe, wipe, wipe it down, wipe.
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BirdCast is bringing bird migration to the masses! "The magic of the forecast maps is that they compile more than 20 years of data on when migrants are on the move... You no longer have to have a Ph.D. in migration ecology."
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Our first forecast of the season is out. (And don't forget to submit your checklists during the eclipse on Monday!)
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Another big migration night for the central US is on tap! More of the midwest and the east will experience favorable conditions in the following few nights.
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There was a major fallout and morning flight event on Cape Cod, Massachusetts on May 16th, 2020, resulting in new spring high counts for 22 species! Sean M. Williams gives a firsthand account on BirdCast:
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The Phoebe Front pushes north! We expect arrivals in most parts of the Upper Midwest & Northeast in the next 5-10 days.
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A major disturbance will move through the Rockies in the next 24-48 hours, bringing dramatic temperature changes. The intersection of precipitation and birds will create conditions for local concentrations of waterbirds, shorebirds, and passerines. More:
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We had nearly 90,000 visits to the BirdCast website () yesterday. You all rock!
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