Illustration
Pennsylvaniaspring migration
When does spring bird migration peak in Pennsylvania?
Spring bird migration usually peaks from February to June.
Checked Sep 30.
Plan from a town
Frost dates and what's in season nearby
Places by state
Pennsylvania
- Erie RefugeUsual window passed
Local timing: from March to early April
Official reports
Dated and linked
- Sep 30Park ServiceSeasons of wildlife: waterfowl migrations March to early April and September to November; viewing tipsSource (opens U.S. Fish and Wildlife Service, Erie NWR: Species in a new tab)
- Sep 28Park ServiceReitz's Pond blind, best times of daySource (opens U.S. Fish and Wildlife Service, Erie National Wildlife Refuge wildlife watching in a new tab)
- Sep 28Park ServiceTrails, Pool 9 deck, winter skiing, spring wildflowersSource (opens U.S. Fish and Wildlife Service, Erie National Wildlife Refuge trails in a new tab)
Show all 4
- Sep 28Park ServiceUsual peak by refuge: early October at Aroostook, Nulhegan Basin and Missisquoi; mid-October at Moosehorn, Rachel Carson and Great Bay (marsh)Source (opens U.S. Fish and Wildlife Service, A fall foliage tour of the Northeast 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.