Updated Sep 29
Pictured: Prime Hook Refuge · typical peak lookDelawarespring migration
When does spring bird migration peak in Delaware?
Spring bird migration usually peaks from February to June.
Updated Sep 29.
Places by state
Delaware
- Prime Hook RefugeSeason over
Local timing: March
Official reports
Dated and linked
- Sep 29Park ServiceMonth-by-month wildlife calendar: March spring waterfowl peak, May shorebird and warbler peaks, November fall waterfowl peakSource (opens U.S. Fish and Wildlife Service, Prime Hook NWR: Nature's Calendar of Events (PDF) in a new tab)
- Sep 29Park ServiceHours, fee, visitor center, Fowler Beach closure, trail descriptions, insect warning, address; links the Nature's CalendarSource (opens U.S. Fish and Wildlife Service, Prime Hook NWR: Visit Us in a new tab)
- Sep 29Park ServiceRefuge home page: current closures (Fowler Beach, Canoe Trail) and the annual Horseshoe Crab Festival each MaySource (opens U.S. Fish and Wildlife Service, Prime Hook National Wildlife Refuge in a new tab)
How do you track spring migration? Each place moves through 4 stages: Birds arriving, Numbers building, Peak numbers and Birds moving on. Every stage we show comes from a dated report with its source, and every forecast lists its sources.