- 50 Birds
- Acorn Naturalist
- All About Birds
- America's Beauties: Native Plants
- American Bird Guide
- Bug Guide
- Butterflies and Moths
- Butterfly Guide
- Celebrating Wildflowers
- Children and Nature
- Creation Wiki
- E-Bird
- Field Guides
- Florida Birding Trail
- Foraging with Kids
- Great Sunflower Project
- Hands On Science: Butterflies and Bugs
- Healthy Yard
- Heywoods Meadow
- Hoofed Mammals
- ID Nature
- Institute for Creation Research
- Kids Astronomy
- Kids Butterfly Site
- Learn Bird Songs
- Local Harvest
- Map a Planet
- Natural Wildlife Federation
- Nature Detectives
- Nature with Children
- Naturely
- Nature Tales
- North American Mammals
- Old School Scouting
- Ology
- Planet Image Gallery
- Project Insect Education Links
- Queensland Museum Learning
- Rainforest Guide
- Shining Dawn Books
- Spiderz Rule
- Sprout People
- Stellarium
- Tool for Plant Identification
- Underground Adventure
- USDA Plant Gallery
- Weather Wiz Kids
- What Bug is This?
- What Tree Is This?
- Wildlife Kids Club
- Zip Code Zoo
- Zoo's Worldwide Cams
