- !Catchy Colors
- *Cat Century* - 100 Views+ ONLY - please add Tag "CC100"
- All About Flickr Cats
- ALL CATS ALLOWED!!!
- Animal Breath-Takers
- Best of Cats (Your BEST Photos only)
- Big Stretch (cats)
- Black Cat's Path
- Black Panfurs
- Calculating Cats ** add 1/award prev 3**
- Calico and Tortishell Cats
- Cat Photos in Black and White format
- Cats
- cats and boxes
- Cats Cats Cats
- Cats! Cats! Cats!
- catspotting (OUTDOOR CATPIX ONLY)
- Chat amusant / Funny cat
- Felis silvestris catus
- Flick-O-System: ? degrees of separation
- flickr cat
- Flickr Number One !!
- FlickrCentral
- FlickrCentral With No Posting Limit
- Fluorescent Lamps
- Foto Cats
- iPhone Camera Shots
- Kitty Tunafish Award (*Invite needed*) Congrats!!
- LOL CATS -INVITED PHOTOS ONLY!
- Nobody is there
- Nokia N73
- OSAKA-GA ┃ 大 阪 画
- PENTAX *istDs
- Pentax MX-1
- Phonecam Explosion
- Photos taken with an Apple iPhone
- Say Ahh!
- Sokak Kedileri ( Stray Cats )
- Sony RX100 (All Versions)
- Sony RX100M3
- The biggest group with only cats
- The gracefulness of cats
- Visual Taiwan before 1946,台灣一甲子前, 台灣文化論壇
- Your first photo
- 日本語flick'r