Last night light west winds blew over New Jersey, and light southwest winds over the Delmarva, setting up another night of somewhat favorable migration conditions. Although a much smaller movement than in recent nights, we still see birds coming up from the south, suggesting an increase in bird diversity today. Coastal sites may be interesting […]

Last night’s radar showed both birds and weather, but was it enough of either to make a big showing? Here’s the radar from sunset last night through sunrise this morning. Birds are seen lifting off after sunset and moving north overnight, although the frontal boundary stretching across New Jersey appears to have restricted them to […]

Another night of south winds and nocturnal migration. Here’s the radar loop from sunset last night through 6:00am this morning (frames = 1/hour). There’s a little radar interference mixed in (the ray-like signals), but you can still make out the majority of the signal. If you look closely, the area over the Delaware river is […]

Big migration last night with south winds up and down the entire country, from the Midwest all the way to the Atlantic. Here’s the radar from sunset last night through 8:00am this morning, with birds obviously moving unimpeded even into the daylight hours. Zugunruhe!