More Spring Migratory Birds Arrive: Rocky Mountains


Birders and enthusiasts are on the watch for more of their favorite spring migratory birds. Who should you look for and when should they arrive?
May 1 – May 15

  • Blue Grosbeak

May 1 – May 30

  • Violet-green Swallow
  • Olive-sided Flycatcher
  • Least Flycatcher
  • Warbling Vireo
  • Red-eyed Vireo
  • Baltimore Oriole
  • Lazuli Bunting
  • Rose-breasted Grosbeak
  • Black-headed Grosbeak
  • Ovenbird
  • Wilson’s Warbler
  • Willow Flycatcher

May 1 – June 15

  • Swainson’s Thrush
  • Yellow Warbler

May 16 – May 30

  • Yellow-billed Cuckoo
  • Bobolink
  • MacGillivray’s Warbler
  • American Redstart

May 16 – June 15

  • Common Nighthawk
  • Western Tanager

– Craig Curtis

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