Here are just a few resources to get you started. There are (obviously) many more than I have listed here, so explore what interests you and see what else is out there!
Websites:
Wild Wonder Foundation (https://www.wildwonder.org)
Organization focused on nature journaling, featuring live classes, retreats, and a conference.

John Muir Laws (https://www.johnmuirlaws.com):
Personal website of John Muir Laws, featuring archived videos and blog-based tutorials, and tips for starting a local nature journaling club.

YouTube Channels:
Alex Boon (https://www.youtube.com/@AlexBoonArt)
Alex is a British academic-turned-nature journaler. His scientific training is evident in his work.

Marley Peifer (https://www.youtube.com/@MarleyPeifer)
Marley does a lot of traveling. He makes vlogs from his travels, featuring work done in the field. Worth checking out!

My Nature Diaries (https://www.youtube.com/@mynaturediaries4402/videos)
This channel features more of an art journal approach to nature journaling, with some beautiful compositions, and ideas for craft projects.

Books:
Canfield, Michael R. (Ed.). (2011). Field Notes on Science and Nature. Harvard University Press. https://bookshop.org/p/books/field-notes-on-science-nature-michael-r-canfield/6721171?ean=9780674057579&next=t
A scholarly exploration of the practice of using field notebooks for research, with extensive imagery from the scientists who wrote the essays.
Hanson, Roseann Beggy. (2020). Nature Journaling for a Wild Life. Natural Selection Press. https://www.exploringoverland.com/shop/p/nature-journaling
Self-published by a woman who travels extensively. Hanson has a background in biology, and has some great ideas for working in the field.
Muir Laws, John. (2016). The Laws Guide to Nature Drawing and Journaling. Heyday Books. https://bookshop.org/p/books/the-laws-guide-to-nature-drawing-and-journaling-john-muir-laws/12658634?ean=9781597143158&next=t
One of the most visible and vocal proponents of nature journaling today, John Muir Laws does a really great job of incorporating nature journaling into a thoughtful, creative, practice. His focus is primarily on drawing for nature journaling; as a child he struggled with dyslexia and used drawing as a pathway for exploration.
Walker Leslie, Clare. (2021). Keeping a Nature Journal (3rd Edition): Deepen Your Connection with the Natural World All Around You. Storey. https://bookshop.org/p/books/keeping-a-nature-journal-3rd-edition-deepen-your-connection-with-the-natural-world-all-around-you-clare-walker-leslie/14822440?ean=9781635862287&next=t
Clare Walker Leslie is one of the first authors to write a how-to about nature journaling, linking it explicitly to the practice of keeping field notebooks.



