Documentation of Chestnut-sided Warbler
2025-016

Observer Information

Reporter:  Jake Miller  639 Birch Ave,   Estes Park, CO  80517
E-mail:  Millersaur@gmail.com
Other Observers:  N/A

Species, Date, Time and Location Information

Species:  Chestnut-sided Warbler
First Date/Time:  5/22/2025 1:30:00 PM
Last Date/Time:  5/22/2025 4:20:00 PM
Duration (total time in view):  Two Hours
County:  Larimer
Specific Location:  Estes Park
Number:  1
Age:  Adult
Sex:  Male
Plumage:  Breeding

Habitat

Riparian (Lake and River)

Viewing Conditions

Optics:  Binoculars and Digital Camera
Distance:  A few feet
Light:  Midday

Description of the Bird

Only one bird. Small warbler, flitting and jumping around in dense brush of willow, river birch and shrubs. Bright yellow cap with black triangle under eyes, highly visible chestnut sides. Slight yellowish back with streaks of black. Was foraging for insects, dropping to the ground once and awhile. Made no sounds. An unknown man pointed it out to me but I was able to identify it right away. 

Similar Species Discussion

None, Species was very distinct at close range. Chestnut sides and yellow cap were a dead giveaway. 

Previous Experience

I have never seen this species before but I have seen photos of it in the past. I am familiar with warblers native to my area.

Notes

Notes made DURING observation

Materials Available

Photographer: Jake Miller (me)

Photos |

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Date Documentation Submitted

5/22/2025 8:09:00 PM
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Location Map

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