Keeping a Nature Journal is a great homeschool nature study resource and contains a wealth of ideas that you can pick and choose to use as inspiration.
How to do Nature Study (when you don't have a clue) - Growing In Grace
Beauty in our Homeschools: Handbook of Nature Study, Outdoor Hour Challenge, and Fine Arts (with Shirley Vels and Tricia Hodges)
Nature Studies in your Homeschool - Muslim Homeschoolers Unite
Exploring Nature With Children
How to do Nature Study (when you don't have a clue) - Growing In Grace
Homeschool Nature Club: nature study resources for all ages - Growing In Grace
Tips for Nature Study with Multiple Ages – Treehouse Schoolhouse
Nature Study & Outdoor Science Journal: The Thinking Tree Presents: A Creative Book of Observation, Drawing, Coloring, Writing & Discovery Through Tree - 3rd, 4th, 5th, 6th Grade (and older)): Brown
Charlotte Mason Nature Study Resources · a humble place
Exploring Nature with Children: A Hands-On Nature Study Curriculum for Homeschoolers — home, school
Notebooking in Nature Studies – Notebooking Fairy
Nature Journaling Supplies: What You Need in Your Bag Now - Joanna Overly
Homeschool Nature Study: 35 FUN Activities for Kids!
Nature Study & Outdoor Science Journal: The Thinking Tree Presents: A Creative Book of Observation, Drawing, Coloring, Writing & Discovery Through Tree - 3rd, 4th, 5th, 6th Grade (and older)): Brown
Homeschool Nature Study Resource: Keeping a Nature Journal - Review - Homeschool Nature Study