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Watch our three-day LIVE event, now streaming below and on Facebook, for an in-depth look at the science of spring.

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Celebrate Urban Birds 00:01:46
American Spring LIVE: Episode 2 - Migration
Clip | Citizen Science Story: Celebrate Urban Birds
Track a Lilac 00:01:24
American Spring LIVE: Episode 3 - Connections
Clip | Citizen Science Story: Track a Lilac
American Spring LIVE: Episode 1 - Birth and Rebirth -- Citizen Science Story: Bird Cams Lab 00:01:46
American Spring LIVE: Episode 1 - Birth and Rebirth
Clip | Citizen Science Story: Bird Cams Lab
American Spring LIVE - Behind the Scenes
American Spring LIVE: Episode 1 - Birth and Rebirth
Behind the Scenes Photo Gallery
The Great Sunflower Project 00:01:45
American Spring LIVE: Episode 3 - Connections
Clip | Citizen Science Story: The Great Sunflower Project
Monarch Caterpillar 00:01:38
American Spring LIVE: Episode 2 - Migration
Clip | Citizen Science Story: Monarch Larva Monitoring Project
Wolf 00:01:37
American Spring LIVE: Episode 3 - Connections
Clip | Mom Saves Pups on Wolf Trail Cam
Bats at Bracken Cave 00:00:38
American Spring LIVE: Episode 2 - Migration
Clip | Inside a Bat Tornado
Bear Cubs 00:01:26
American Spring LIVE: Episode 1 - Birth and Rebirth
Clip | Bear Cub Check Up
Lamb Birth 00:02:54
American Spring LIVE: Episode 1 - Birth and Rebirth
Clip | Watch a Lamb Being Born
Pete Marra on Migrating Birds
American Spring LIVE: Episode 1 - Birth and Rebirth
Facebook Live with Peter Marra
Meet Phil Torres – Field Biologist, American Spring LIVE
American Spring LIVE: Episode 1 - Birth and Rebirth
Meet Phil Torres – Field Biologist, American Spring LIVE
 Contributors Showcasing the Science of Spring
American Spring LIVE: Episode 1 - Birth and Rebirth
Contributors Showcasing the Science of Spring
Baby Lamb 00:00:51
American Spring LIVE: Episode 1 - Birth and Rebirth
Clip | Watch a Baby Lamb Take Its First Steps
Spring is LIVE Across America!
American Spring LIVE: Episode 1 - Birth and Rebirth
Spring is LIVE Across America!
Living With The Enemy – How Some Birds Keep their Young Safe
American Spring LIVE: Episode 1 - Birth and Rebirth
Living With The Enemy – How Some Birds Keep their Young Safe
Thor Hanson
American Spring LIVE: Episode 1 - Birth and Rebirth
Meet Thor Hanson – Science Correspondent, American Spring LIVE
Giant Sequoia 00:01:00
American Spring LIVE: Episode 1 - Birth and Rebirth
Clip | Sequoia Fun Facts
FB Live with Dr Rae Wynn Grant
American Spring LIVE: Episode 1 - Birth and Rebirth
Facebook Live with Dr. Rae Wynn-Grant
Mustard Seed Flowers 00:01:11
American Spring LIVE: Episode 1 - Birth and Rebirth
Clip | 6 Facts to Show Your Spring Savvy
American Spring LIVE – Behind the Scenes
American Spring LIVE: Episode 1 - Birth and Rebirth
American Spring LIVE – Behind the Scenes
Common Milkweed (Asclepias syriaca)
American Spring LIVE: Episode 1 - Birth and Rebirth
Milkweeds and Monarchs 101
Measuring and tagging a bear
American Spring LIVE: Episode 1 - Birth and Rebirth
For Scientists, Tag is a Serious Game
Inside Look: American Spring LIVE 00:02:18
American Spring LIVE: Episode 1 - Birth and Rebirth
Clip | Inside Look
Rainy Springs Bring Disaster for Nesting Tree Swallows
American Spring LIVE: Episode 1 - Birth and Rebirth
Rainy Springs Bring Disaster for Nesting Tree Swallows
Baby Lambs
00:55:16
American Spring LIVE: Episode 1 - Birth and Rebirth
Full Episode | S37 Ep13
Migrating Birds
00:55:12
American Spring LIVE: Episode 2 - Migration
Full Episode | S37 Ep14
American Spring LIVE: Episode 3 - Connections
00:55:11
American Spring LIVE: Episode 3 - Connections
Full Episode | S37 Ep15
American Spring LIVE: Episode 1 - Birth and Rebirth -- American Spring LIVE Trailer 00:01:17
American Spring LIVE: Episode 1 - Birth and Rebirth
American Spring LIVE Trailer

Learn more about the program

We’ll join scientists in the field as they make real-time observations and discoveries about how longer days and warming temperatures trigger big changes in animals and plants. And it’s not all up to the experts. You can play a part too and become a citizen scientist in pursuit of critical data on the science of Spring.

Send Spring directly to your inbox with our American Spring Live series of the Nature Newsletter:

Meet our Citizen Scientist Partners

Nature is a production of THIRTEEN PRODUCTIONS LLC for WNET and PBS. American Spring LIVE is a production of Berman Productions, Inc. and THIRTEEN PRODUCTIONS LLC for WNET.

Major support for Nature: American Spring LIVE was provided by the National Science Foundation and Anne Ray Foundation.

Additional financial support was provided by the Arnhold Family in memory of Henry and Clarisse Arnhold, Sue and Edgar Wachenheim III, the Kate W. Cassidy Foundation, the Lillian Goldman Charitable Trust, Kathy Chiao and Ken Hao, the Anderson Family Fund, the Filomen M. D’Agostino Foundation, Rosalind P. Walter, the Halmi Family in memory of Robert Halmi, Sr., Sandra Atlas Bass, Doris R. and Robert J. Thomas, Charles Rosenblum, by the Corporation for Public Broadcasting, and by the nation’s public television stations.

This material is based upon work supported by the National Science Foundation under Grant No. 1811511. Any opinions, findings and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

NSFCPBAnne Ray Foundation

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PBS is a 501(c)(3) not-for-profit organization.