Shorebird homework

The Crested Caracara pulled its usual disappearing act in Wellfleet, and a Swallow tailed Kite in Mashpee just set a state record for the latest sighting ever. It's peak shorebird migration season, and it's time these underrated travelers got some airtime, with a beginner's guide to the sandpipers and plovers gathering on Cape Cod's flats before their long flights south.