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Birds & Birding Regional Birder

This is regional birding information for the Rocky Mountains.

Spring Migration

For each species shown below, we have created spring migration maps that show the winter range, the migratory path, and the dates when you might expect to see the first arrivals in your area. The maps depict average early arrival dates based on many years of data and are intended to show the first wave of arrivals in each area. In any year, a few birds may arrive earlier than the dates shown. Find out more about migration.

Show birds that arrive before: 

Click on a bird below to see its migration map.



34 birds

view as list  |  1 2  


Blue Grosbeak
May 1 - May 15

Lazuli Bunting
May 1 - May 30

Rose-breasted Grosbeak
May 1 - May 30

Black-headed Grosbeak
May 1 - May 30

Yellow Warbler
May 1 - Jun 15

Ovenbird
May 1 - May 30

Wilson's Warbler
May 1 - May 30

Willow Flycatcher
May 1 - May 30

Yellow-billed Cuckoo
May 16 - May 30

Common Nighthawk
May 16 - Jun 15

Bobolink
May 16 - May 30

Western Tanager
May 16 - Jun 15

MacGillivray's Warbler
May 16 - May 30

American Redstart
May 16 - May 30
 

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