- American Bog, Swamp and Wetland Plants
- Appalachian Salamanders
- Birding In The Wild
- Birds of prey (Accipitriformes, Falconiformes and Strigiformes)
- Birds of Prey / Raptors / Owls
- Birds Photos - Check out the new discussions!
- Bizarre Botany
- Cades Cove
- Canon AE-1 Program
- Cave Entrances
- Caves of Tennessee and TAG
- CSSS: Storms - Extreme Weather on Planet Earth
- CSSS: Storms - Real Storm Chasers
- CSSS: Storms - S T O R M S C A P E S
- CSSS: Storms - Tornado Alley
- CSSS: Storms / Thunderstorms (Nebraska)
- CultureSheet
- D700 Discovery Group
- D700 Photographer's Club
- East Tennessee Outdoors
- East Tennessee Photographers
- Encyclopedia of Life Images
- Ferns
- Field Guide - North American Birds
- Flora of Mammoth Cave National Park
- Flowers and Waterdrops
- Glaciers Glaciers Glaciers
- Grand Teton National Park
- Grand Teton National Park Photos - NPS
- Great Smokey Mountain Wilderness
- Great Smokey National Park
- GREAT SMOKY MOUNTAINS ❤ National Park
- Great Smoky Mountains National Park
- Identified plants directory - Botany group
- Ivory-billed Woodpeckers & Others in the Campephilus Genus
- Kentucky Native Plants
- Lichen
- Life Sciences Teaching Resource
- Lycophytes, Psilophytes, Sphenophytes. Fern Allies.
- Macro Addicts, That is all.
- Maps You Have Made
- Moss and Lichen
- Mosses & Liverworts
- Nat Geo World Nature - WILDLIFE AND NATURE ONLY
- NIKKON D700 users
- Nikkor AF-S 200-500mm f/5.6E ED VR
- Nikkor Prime Manual Focus Telephoto Lenses
- Nikon - Nature
- Nikon 200-500 5.6 VR
- Nikon D700
- NIKON D700 PHOTO
- Nikon D700 Photos
- Nikon Nikkor 800mm F/5.6 ED-IF Ai-S (Manual Focus)
- Nikon Outdoors
- Nikon Z5, Z6/6II, Z7/7II,Nikon Z8, Z9 and Zf - No Restrictions.
- Nikon Z9 Wildlife
- No limit - No 30/60
- North Carolina Native Plants
- Owls
- Owls (Wild Only)
- Owls of North America
- Pentax 67 (6x7, 67, 67II)
- Pileated and Related Woodpeckers
- Plant photography
- Raptors Of North America
- Raptors of the Americas
- Rattlesnakes
- Salamanders & Caecilians
- Sigma 105mm f/2.8 EX DG OS HSM
- SIGMA 105mm F2.8 EX DG OS HSM Macro
- Smokies Offtrail
- Standing Stone State Park
- STORM
- Storm Chasers / Weather Photographers
- Systematic Botany (not for "pretty flower images")
- Tennessee Native Plants
- Tennessee Nature Photography
- Tennessee Parks
- Tennessee Photo Club
- Tennessee Photographers
- Tennessee State Parks
- Tennessee Water
- Tennessee Waterfalls
- Tennessee Wildlife
- The Beauty of Cades Cove
- The Cumberland Plateau
- The Flora of Tennessee
- The Great Outdoors(Nature)
- The Nature Conservancy
- Trillium appreciation
- U.S. National Parks
- US Wildflowers
- Virgin Falls State Natural Area
- Waterfalls of the Southeast
- Wikimedia Commons - Animals, Plants
- Wild Owls
- Wildflower Field Guide, North America
- Wildflowers
- Wildflowers of Eastern North America
- Wildflowers of the Appalachians
- Wildflowers of the Blue Ridge and Great Smoky Mountains
- Wildflowers of the Smokies
- Wildflowers of the Yellowstone Ecosystem
- Winter Botany
- Wyoming Wildflowers
- yellowstone
- Yellowstone Valleys and Views