Mary Gilmore

Bat Ecologist / Wetland Scientist
EnviroScience Bat Ecologist & Wetland Scientist Mary Gilmore

ES Bat Ecologist Mary Gilmore

A valued member of the EnviroScience team since 2015, Mary Gilmore is a senior-level Bat Biologist and Project Manager who manages and implements threatened and endangered bat projects and assists clients with Section 7 Consultation.

Mary has over 14 years of experience conducting both regulatory and inventory bat surveys throughout the eastern half of the U.S. She holds a B.S. in Forestry and Wildlife Management from The Ohio State University.

Mary is a proactive, hands-on manager who is attentive to client needs and holds a high standard for quality. She assists clients with state and federal consultation for threatened and endangered species, botanical surveys, and wetland delineations.

Mary holds a U.S. Fish and Wildlife Service (USFWS) recovery permit and several state collection permits for the Indiana bat, the Northern long-eared bat, and the Gray bat—allowing her to work across the Midwest, Southeast, and Northeastern U.S. She is listed as a qualified bat surveyor statewide in Ohio, Pennsylvania, Virginia, and West Virginia, and has recently completed large-scale surveys in Ohio, Pennsylvania, and Tennessee.

Contact Mary at:  MGilmore @

Few environmental firms in the country retain EnviroScience’s degree of scientific know-how, talent, and capability under one roof. The diverse backgrounds of our biologists, environmental engineers, scientists, and divers enable us to provide comprehensive in-house services and an integrated approach to solving environmental challenges—saving clients time, reducing costs, and ensuring high-quality results.

Our client guarantee is to provide “Excellence in Any Environment” meaning no matter what we do, we will deliver on our Core Values of respect, client advocacy, quality work, accountability, teamwork, and safety. EnviroScience was created with the concept that we could solve complex problems by empowering great people. This concept still holds true today, as our scientists explore the latest in environmental legislation and regulations and incorporate the most up-to-date technology to gather and report data.

EnviroScience expertise includes but is not limited to: aquatic survey (including macroinvertebrate surveys and biological assessments); ecological restoration; ecological services (including impact assessments, invasive species control, and water quality monitoring);  emergency response; engineering and compliance services; endangered mussel surveys; laboratory and analysis; stormwater management; threatened and endangered species; and wetlands and streams (including delineation and mitigation). Further, EnviroScience is one of the few biological firms in the country that is a general member of the Association of Diving Contractors International (ADCI) and offers full-service commercial diving services.