News: Migration

Migration
By Andrew Farnsworth The Cornell Lab Sep 25, 2020

At this point you have heard the stories for the west about bird mortality, but perhaps you have not heard the stories about species on the move out of the mountains. BirdCast will feature evolving stories about eruptions from higher elevations, and this week we highlight Mountain Chickadee.  Read more...

Migration
By Carley Eschliman and Kyle Horton The Cornell Lab Sep 25, 2020

As a reminder to what the team is working on here at BirdCast, we return to a post we wrote last year. With spring upon us and migration in full swing, here is a primer on what we do. We turn weather radar data into information on the numbers and flight directions of birds aloft in order to expand the understanding of migratory bird movement. After several years (and hundreds of posts) describing migration, species on the move, and unique migration events, we want you to have a better understanding of what happens at BirdCast. Here is a brief overview and a behind-the-scenes look at the ways we apply radar data to study bird migration.  Read more...

Migration
By Andrew Farnsworth and Benjamin Van Doren The Cornell Lab Sep 18, 2020

Enormous, and growing, numbers of dead birds discovered in the southern Rockies over the past few weeks have alarmed scientists, conservationists, and advocates alike. The massive mortality events may be a result of intense fires in the western US and the smoke that they have produced.  Read more...

Migration
By Andrew Dreelin, Paul Heveran, Erica Dunn, Andra Florea and Joe Gyekis Guest Authors Sep 16, 2020

Yes, you read the title right— WHITE-breasted Nuthatches! Long overlooked as a humble resident of forests and feeders across North America, the *other* migrating nuthatch is finally getting deserved recognition for its irruptive travels.  Read more...

Forecast and Analysis
By Benjamin Van Doren The Cornell Lab Sep 14, 2020

The BirdCast model is predicting high intensity migration for the night of 14 September 2020. We estimate that 405 million birds will take flight tonight across the lower 48, including 50 million birds in the northeast alone. This will likely represent one of the largest migration nights of the year in this region.  Read more...

Forecast and Analysis
By Andrew Farnsworth The Cornell Lab Sep 10, 2020

The BirdCast forecast model is predicting high intensity migration this evening, and we estimate this migration will comprise more than 400 million birds. The highest intensity movements will occur in Texas and portions of the southern Appalachians and lower Mississippi River valley.  Read more...

Forecast and Analysis
By Andrew Farnsworth The Cornell Lab Sep 03, 2020

More than 200 million migrants will be aloft this evening over the US. These massive movements present some unique opportunities to experience bird migration and act to protect birds by turning off lights at night!  Read more...

Migration
By Andrew Farnsworth The Cornell Lab Aug 31, 2020

You've recently watched a small flock of songbirds fly over while watching an autumn morning's migration unfold, perhaps hearing a sharp "tick, tick... tick, tick" even before seeing the birds. Congratulations, you've seen a Purple Finch, this week's species on the move.   Read more...

Cyclones
By Andrew Farnsworth The Cornell Lab Aug 25, 2020

Laura is or will soon intensify to a Major Hurricane with unsurvivable storm surge and extremely dangerous conditions. Current forecasts predict landfall near the Texas-Louisiana border. Avian impacts from Laura's landfall north to Arkansas and east through western Tennessee are likely on Thursday and Friday.  Read more...

Cyclones
By Andrew Farnsworth The Cornell Lab Aug 24, 2020

This week the Gulf Coast of the US will experience landfall of two tropical systems, Laura and Marco. This dangerous twin bill will come with flooding, storm surge, heavy rains, and wind in many areas of the western Gulf of Mexico and lower Mississippi River valley. BirdCast is tracking the arrival of the two storms, and you can monitor with us on two maps tracking bird observations as they occur with landfall.  Read more...

Cyclones
By Andrew Farnsworth The Cornell Lab Aug 21, 2020

Team BirdCast like many other groups is watching the progress of three tropical systems that may make landfall in the US next week. Stay tuned for updates in the coming days!  Read more...

Migration
By Doug Gochfeld and Tom Johnson The Cornell Lab Aug 17, 2020

Could recent August observations of Red-breasted Nuthatch in coastal New York represent the beginning of another strong southbound flight of the species this autumn and winter? Read on to consider patterns, correlations, and ways you can help us understand these movements by submitting your observations!  Read more...

Cyclones
By Andrew Farnsworth The Cornell Lab Aug 16, 2020

Sooty Tern is often the bird of tropical weather systems once ashore (or very close to shore). Numerous records of far-flung individuals pepper the archives of such weather systems, and Hurricane/Tropical Storm Isaias was no exception.  Read more...

Cyclones
By Andrew Farnsworth The Cornell Lab Aug 01, 2020

Hurricane Isaias is forecast to make landfall in the US on the Carolina coast after grazing the Florida Peninsula and passing directly over the Bahamas and nearby islands. This storm will likely produce hazardous conditions where it passes, including damaging winds, dangerous storm surges, and torrential rains with flooding, and it will bring seabirds and other entrained and displaced species ashore far afield from their typical locations. Check out our live sightings map at the end of the post; and follow updates as we make them.  Read more...

Cyclones
By Andrew Farnsworth The Cornell Lab Jul 23, 2020

A tropical system is building in the Gulf of Mexico, forecast to intensify in the coming days and then move ashore in central or southern Texas. Whether this system intensifies to hurricane strength or continues as a tropical storm or depression, it is likely to bring an array of seabirds ashore in southern and central Texas and possibly northern Mexico.  Read more...

Cyclones
By Andrew Farnsworth The Cornell Lab Jul 10, 2020

Tropical Storm Fay is a fast moving system that is forecast to travel a similar path to Hurricane Irene at a similar time as Tropical Storm Bertha. What will this system hold for those that can observe safely in the DelMarVa, coastal New Jersey and Long Island, Hudson River Valley, Lake Champlain, and St. Lawrence RIver Valley areas?  Read more...

Migration
By Andrew Farnsworth The Cornell Lab Jun 09, 2020

As of June 9-10 Team BirdCast is calling spring 2020 a wrap. Our forecasts and live migration maps return on or about 10 August 2020. In the coming months we hope to follow several threads from stories we highlighted during the spring. Here are some possibilities.  Read more...

Cyclones
By Andrew Farnsworth The Cornell Lab Jun 05, 2020

Here comes Tropical Storm Cristobal, forecast to make landfall in southeastern Louisiana on Sunday evening. With safety the top priority, we briefly highlight a few possible tropical and pelagic species that might appear far inland in the wake of the storm's passage.  Read more...

Migration
By Andrew Farnsworth The Cornell Lab May 26, 2020

We are nearing a seasonal window during which many records of Fork-tailed Flycatcher, a spectacular and elegant vagrant to the US from South America, have occurred. The BirdCast team thought you might like to know that conditions could be favorable for the arrival of this wandering species somewhere in the US ... maybe.  Read more...

Migration
By Ned Brinkley The Cornell Lab May 26, 2020

23 May 2020 on the eastern shore of Virginia brought some migration magic to a small habitat patch for some lucky observers. Just over 200 migrants in a 10-acre patch. Our friend Ned Brinkley describes the action and puts it in proper perspective.  Read more...

POWERED BY