Materials/Resources/Information to support Master Naturalists

There is always more to learn about the environment and the natural history of Maryland. This list consists of voluntary contributions from various sources and is meant as a reference for beginners and experts alike. Inclusion in this listing does not represent an endorsement of materials, programs, or products by University of Maryland Extension or the Maryland Master Naturalist Program. If you would like to add an item please email Joy Rafey at Thank you!

Advanced Training for Certified Master Naturalists

Advanced Training for Certified Master Naturalists

Besides volunteering for at least 40 hours per year, Certified Master Naturalists are required to document at least 8 hours of approved advanced training every year. Advanced training may include college classes, seminars offered by environmental organizations, or professional workshops.

Courses offered to Certified Master Naturalists at our Host Sites are pre-approved to meet the advanced training requirement.  All other advanced training courses or programs must be approved by your Program Facilitator.

Advanced Training Opportunities offered to Certified Master Naturalists:

This information is provided voluntarily and likely constitutes just a fraction of what is available throughout the state of Maryland.  Inclusion in this listing does not represent an endorsement of materials, programs, or products by University of Maryland Extension or the Maryland Master Naturalist Program. For more information, please contact the organization or individual listed.  To add your event to this list, please contact Joy Rafey at



Nature Forward (formerly the Audubon Naturalist Society) a Md Master Naturalist program Host Site, offers many classes/field trips with a vast offering of ID classes and general nature hikes/walks, as well as cosponsoring more in-depth, quarterly courses through the Natural History Field Studies program. Visit for complete listings.


The Natural History Society of Maryland offers ongoing advanced training opportunities for those who have completed the Md Master Naturalist training. Programs are listed on the NHS Meetup site: 


Online Learning Opportunities
(listed alphabetically by organization)

Below are programs/courses for Maryland Master Naturalists to consider in place of in-person learning while affected by COVID-19 preventative precautions. Note that these resources are provided as reference only and inclusion in this listing is not a specific endorsement of any program content, instructor(s), or sponsoring organization(s). Some programming may be offered free of charge while others may bear a cost, so please check with the programming provider, and note that any cost is incurred by the trainee and not the Maryland Master Naturlaist Program. Questions regarding acceptance of an online learning opportunity for Advanced Training credit should be directed to your Host Site Program Facilitator. To add an item to this list, please email Joy Rafey at

Casey Trees Virtual Tree Classes

Change Wildlife Consumers' Behaviour Change for Conservation course

Coursera:  Searchable online learning platform with a multitude of free and fee-based college-level courses

Eastern Region Association of Forest and Nature Schools

Entomological Society of America’s Entomology Today:  Learning at Home with Bugs

Green Teacher

North American Association for Environmental Education (NAAEE)’s eePRO Online hub for Environmental Education Professional Development

NAAEE Natural Start Alliance Resources for Working with Children

NAEE "Professional Development During a Pandemic" Blog Post with Links to Online Learning recommendations 

North American Invasive Species Management Association

Penn State Extension:  Beekeeping 101

Penn State Extension, Teach for Forests:  Forest Education for Teachers and Youth Leaders

Science is Cool (ScIC) Virtual Conference Sessions

Smithsonian's National Museum of Natural History

TEDEd Earth School

UC Davis Entomology/Nematology Seminars

Wildlife Habitat Council

Forms/Paperwork for Trainees, Interns & Certified Master Naturalists

Books (listed alphabetically by author)

Books for Children & Resources for Working with Children

Guides & Keys

Flora-Related Guides:

Various Assorted Guides:

Online Resources

If you have a resource to add, please email the link to

Webcams/Virtual Experiences

This listing features species and/or organizations/facilities relevant to Maryland Master Naturalists. If you have a webcam to add, please email the link to

Virtual Experiences:

Multi-Subject Live Cams:

Bird Cams:

Citizen Science Programs

If you have a program to add, please email the link to