MyPetMug.com is a great pet website. On it you can connect with other pet lovers. Additionally you'll find pet news from Discovery Channel, MyPetVet - questions and answers about pet health. For entertainment a daily update of MyPetBirthdays, celebrities and their pet connection.
There are quiet a few websites that allow you to play pet games, such as: petgames.my-pet-care.com/ www.pets2play.com/pet.html and www.marapets.com/ . Any of these choices are good ones.
Pet pet park is one.
big apple pet supply, lll reptile,pet solutions
There are many places where one would find good pet classifieds. One would be able to find pet classifieds on websites such as Pets classifieds or PennLive.
theres franktown you pick a hamster,pig,bear or skunk
Many websites allow you to take care of a virtual pet, such as club penguin, neopets, and my cousin's favorite, webkinz.com It is important to note webkinz is not necessarily free though.
There are many good puppy finder websites on the web. Examples of good puppy finder websites include Puppy Finder, Puppy Find, Pet Finder, and Greenfield Puppies.
adoptme.com its a bit childish, though
Girlsgogames.com
Yes, I know of two, webkinz, which requires a bit of money, and Neopets, which can be played for free but you may advance with currency. Oh and marapets!
Some good websites to find pet grooming games would be: http://pet-grooming-games.cooking-games.biz/ or http://pet-grooming-game.dressup.me/.
One can get information on pet finder services at most good pet stores and vet's clinics. One can also get information from websites such as Pet Finder and Home Again.