- *C&W Nature Friends* ( Invite Only )
- *I Love Birds*
- 100.000.000 Flickr Photos [No AI or SL]
- 121clicks
- 500px.com
- ` FLICKR ´
- Bird Images
- Birds
- Birds , Birds Birds
- Birds and more birds
- Birds and Wildlife Only!!!
- Birds Bangladesh
- Birds of the world
- Birdshare
- EPA Earth Day 2009 photo project: The beauty of nature
- EPA Earth Day 2009 photo project: Wildlife
- Flickr Universe
- in explore
- Incredible Bird Photography
- Monochromia BW and toned monochrome only (HIGH quality only!!!)
- National Geographic Group
- National Geographic Society
- National Geographic Wild Life
- National Geographic | World Wide
- National Wildlife Magazine Photo Group
- Nature Heals the Soul
- Spectacular Bird Photos
- The Best Picture Gallery!
- Water Birds
- Wildlife and Landscape Photography
- Your Best Photography
- ◉ The Best Nature In Explore ◉