• Tracking Seasonal Change with Journey North
  Citizen scientists across North America share their own observations of migrations and other signs of the seasons.
• Sunlight and the Seasons
  How does daylight change in your part of the world as the Earth revolves around the Sun? Share and compare observations with kids around the globe.
• Telling Time With Shadow Sticks
  A slideshow schoolyard investigation.
• Follow Spring's Journey North
  Rather than track each individual migration, you may choose to follow the wave of spring itself.
• Fifteen Days of Spring
  Creating a record of spring leaf-out in your schoolyard.
• How Old is Your Tree?
• Journey North Creature Quiz
  Are YOU ready to track spring's journey north? Thousands of students are watching and waiting for the migrations to begin. We hope you're ready for the adventure! But if you catch only a glimpse of a feather, a fluke or a flipper, can you identify each critter to genus and species?
• Student Portfolios as Visual Organizers for Journey North
• Signs of Spring Journal (printable cover and student pages)
• Tick Tock, Biological Clock
• Frozen Insects
• A Bear Out of its Lair
• A Year in the Life of a Black Bear
• Facts About Black Bears
• Bird Brains: Testing Bird Intelligence
• West Nile Virus: A New Challenge
• Fun Facts About Owls
• Owl Listening Guide: Who Gives a Hoot?
• Let's Go Owling
• Owl Moon: Literature Link
• Generalist or Specialist? A Peek at Some Beaks
• Nest Cams!
• Bluebird Projects
• Bluebird Houses
• Recognizing Wrens
• Wren Facts
• Fun With Wrens: Wren Videos
• How Often Does a Wren Feed Its Young?
• Build a Wren House!
• Sir Syd and Roast: Diaries of Two Tundra Swans
• Fireflies!
• Chickadee Dictionary
• Red-winged Blackbird Dictionary
• Brood Parasites: Cowbirds
• Swallows On a Mission
• Swallow Facts
• Plankton in the Sky? Observing Aeroplankton
• The Scoop on Poop: Disposable Diapers for Birds
• Muscle Magic
• Super Spinners and Wheels of Silk
• A Spider's Life
• Many Kinds of Spiders: Fun Facts About How They Catch Prey
• Timberdoodles and What They Do
• Keep Kitty Indoors
• Lesser Long-nosed Bats: Lepto Lessons and Resources
• Warbler Game and Habitat Cards
• Going Buggy! Insect-eating Birds
• What's Your Ecological Footprint? Take the Quiz

See Related Links for These Spring Species:

• Frogs and Toads
• Loons
• Orioles
• Red-winged Blackbirds
• Worms