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Oregon Birding Association

Furthering knowledge, education, enjoyment and science about birds and birding in Oregon

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Spring Migration Phenology

Spring Migration Phenology

Western Oregon Birding Calendar

Spring Migration – Clatsop County

Spring Migration – Portland

Spring Migration – Corvallis

Spring Migration – Eugene

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Oregon Birding Association
  • Home
  • About OBA
    • Contact Us
    • Board of Directors
    • Grants
    • Donations
    • Join or Renew
  • Community & Events
    • Oregon Birders OnLine (OBOL)
    • Field Trips
    • Breeding Bird Survey
    • Community
    • Photo Contest
  • Records & Reporting
    • Oregon Bird Records Committee
    • Listing
    • Oregon Birds Journal
    • Oregon Breeding Bird Atlas
    • Report an Injured or Banded Bird
  • Go Birding
    • Oregon Checklists
    • County Checklists
    • Birding Where Nobody’s Looked
    • Oregon Birding Trails
    • Birding by County
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