If Ты Любовь puppies, this blog will give Ты a fix every day. Each день they post cute pics of a new pup. Readers get to rate and Комментарий on the cutie.
The SF SPCA has a very informative website. They have an adoption center, spay/neuter services, volunteer opportunities, pet care training classes, etc. The adoption database is searchable and includes searches of other shelters in the area.