A beautiful Tree Swallow has been visiting the Bluebird box in Virginia, USA 😲😍 Will they take over the nest...? 🤔 | Nest Box Live

American Tree Swallow constructs her nest piece by piece so spectacularly 🥰👏 | Nest Box Live

Tree Swallows are early spring migrants that are on their way back north right now. Have you seen your first one yet? These cool eBird animated maps show where Tree Swallows are each week of the year! Where are they right now? Tap the link to see our best estimate with eBird Status and Trends maps: https://science.ebird.org/en/status-and-trends/species/treswa/abundance-map-weekly?week=12 We'll be spotlighting a few migratory birds as they continue their journeys this season. Is there one you'd r

See bird migration like never before. A new generation of eBird visualizations is here—all thanks to YOUR checklists. This full-hemisphere Barn Swallow animation is the first of many new STEM maps that we'll be sharing in the coming weeks and months. Learn more: http://ebird.org/content/ebird/news/stem0717/ | eBird