Westminster, CO

ROCKY MOUNTAIN BUTTERFLY CONSORTIUM

EIN 84-1155029

Environment & Animal Welfare Wildlife & Habitat Conservation Children & youth

Mission

The Rocky Mountain Butterfly Consortium (dba Butterfly Pavilion) fosters an appreciation of invertebrates by educating the public about the need to protect and care for threatened habitats globally while conducting research to develop solutions in invertebrate conservation.

IRS-recognized 501(c)(3) public charity Contributions are tax-deductible

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About ROCKY MOUNTAIN BUTTERFLY CONSORTIUM

Butterfly Pavilion, legally the Rocky Mountain Butterfly Consortium, is the world’s first stand-alone Association of Zoos and Aquariums (AZA)-accredited invertebrate zoo. Founded in 1990, the organization operates an eleven-acre campus provided by the City of Westminster and welcomes hundreds of thousands of visitors annually. Through hands-on exhibits, field research, conservation partnerships, and educational programs for schools and families, Butterfly Pavilion advances invertebrate science, restores pollinator habitat, and delivers community-facing learning experiences across Colorado and through global projects.

Notable achievements

First stand-alone AZA-accredited invertebrate zoo

Established and operated as the world’s first stand-alone invertebrate zoo, Butterfly Pavilion holds Association of Zoos and Aquariums accreditation and has built a recognized model for invertebrate care, research, and public education.

Successful Colorado firefly lifecycle under human care

The Pavilion’s science team completed the full lifecycle of a Colorado firefly in human care — a notable conservation and husbandry milestone that supports research and restoration efforts for rare bioluminescent insects.

Facility expansion and exhibit development

In recent years the organization secured a Letter of Intent with the City of Westminster for a phased renovation and expansion of its campus and has advanced major exhibit projects (including a Water’s Edge expansion and new animal exhibit debuts) to broaden research and visitor experiences.

At a glance

Total assets: $9.7M
Annual revenue: $8.2M
Tax status: 501(c)(3)Public charity
EIN: 84-1155029
Location: Westminster, CO
Website: butterflies.org
On Mahalo since: September 2026

Financial figures from the IRS Business Master File, the IRS’s registry of tax-exempt organizations.

Recognition

Association of Zoos and Aquariums (AZA) accreditation — recognized for standards in animal care, conservation, education, and research.

Colorado Green Business Network — Silver-level certification for sustainable operations and responsible facility practices.

Supported in part by the Scientific and Cultural Facilities District (SCFD) and participating in programs such as Museums for All, reflecting community funding partnerships and accessibility efforts.

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