Guest Column: Over the past year, I attached a multi-sensor geolocator backpack to a warbler, which he carried throughout his migratory journey, recording the long trek from his breeding grounds in Anchorage to a yet-unknown winter refuge and back again.
Guest Column | I put a tiny backpack on a warbler. It revealed an epic migration.
Cutting-edge tracking is illuminating the migratory journeys of warblers and dozens of other species at a scale not previously possible for small birds.
washingtonpost.com