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Montana Field Guide

Montana Field Guides

Green Heron - Butorides virescens

Native Species
Accidental Species

Global Rank: G5
State Rank: SNA

Agency Status


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Copyright by: The Macaulay Library at the Cornell Lab of Ornithology, Ithaca, NY, all rights reserved.
General Description
The Green Heron breeds throughout eastern North America and along the Pacific Coast from southern British Columbia through Baja California and Mexico. This species is a year-round resident along the California coast through Baja California and western Mexico and along the southeastern coast of the U.S. and throughout Florida (Davis and Kushlan 1994). The Green Heron is an accidental spring and fall migrant in Montana (Montana Bird Distribution Committee 2012).

For a comprehensive review of the conservation status, habitat use, and ecology of this and other Montana bird species, please see Marks et al. 2016, Birds of Montana.

Species Range

Western Hemisphere Range


Observations in Montana Natural Heritage Program Database
Number of Observations: 29

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density


SUMMER (Feb 16 - Dec 14)
Direct Evidence of Breeding

Indirect Evidence of Breeding

No Evidence of Breeding

WINTER (Dec 15 - Feb 15)
Regularly Observed

Not Regularly Observed


(Observations spanning multiple months or years are excluded from time charts)

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Citation for data on this website:
Green Heron — Butorides virescens.  Montana Field Guide.  .  Retrieved on , from