date=20070929 +has=breed -has=cat

results for date=20070929 +has=breed -has=cat 4 photos . 2007-09-29 . or day is exactly 20070929 . and photo contains breed . not photo contains cat

photo 078040 [BUR] . photos 078042 078144 [BEN] . photo 078057 [BUR b]

All photos © Heikki Siltala. The photos are immediately available both for non-commercial and commercial uses under the Creative Commons Attribution 3.0 License. There is no need to get a more specific permission or to pay money. The attribution is Heikki Siltala or catza.net.