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Science

Unique Sighting: Yellow Rail

By Megan Jones Patterson | August 24, 2022

How unique? This singing Yellow Rail was only the second ever for Colorado (first was in 1906).

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New Meadowlark Species! Chihuahuan Meadowlark Includes the Lilian’s Subspecies

By Megan Jones Patterson | August 9, 2022

Based on research done as an undergrad at CU Boulder, Johanna Bean’s proposal to split two subspecies from Eastern Meadowlark has been accepted the the AOS. The new species is the Chihuahuan Meadowlark.

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Unique Sighting: Slaty-backed Gull

By Megan Jones Patterson | April 2, 2022
white and gray gull with wings extended.

On Saturday, March 26, 2022, CFO jointly sponsored a field trip with Denver Field Ornithologists to search for an adult Slaty-backed Gull.

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Colorado Field Ornithologists | P.O. Box 187 Lafayette, CO 80026

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