Hyla Ecological Services (HES) is a privately held corporation that was established in 1992 by Bryan Windmiller, Ph.D, and is currently led by Dan Wells. HES performs rare species surveys as well as habitat assessment, vernal pool certification, mitigation for rare species, regional conservation planning, and permitting under The Massachusetts Endangered Species Act and The Massachusetts Wetlands Protection Act.

Decisions regarding endangered species are best made with detailed, accurate, and unbiased analysis. Hyla is distinguished as an accomplished field research company with the necessary broad-spectrum experience to evaluate virtually any rare species protection issue. We pride ourselves on balancing the interests of land owners and communities with pragmatic analysis, recommendations and planning in order to comply with local and State protection mandates for endangered species.