Pet sites links and domestic animals spots. With dog foundations, cat sitting and even canine cancer. Also feline owners handbooks and guides.
General Pet Sites Links
 
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(Some descriptions are written by other sites)

  Because of a large amount of submissions to trade links, your site must have a minimum Page Rank of at least 4 to be listed here.

Dogster's For the Love of teh Dog Blog - A blog with lots of links , news and info.
Dog's Care.com - Dog care, breeds, training and pictures. Educational guide to in-depth knowledge of dog's breeds their training, care and more.
Petafoo.com - A newer blog site with some interesting and fun animal images.
  For some links to humor sites, visit the home page
and look at the bottom left side.