http://www.bigdawg-dir.com/Birds_and_Birding/Books_and_Magazines/Pet and Animal Directory consisting of common animals and pets from around the world. Quality links and resources are contained inside the Big Dawg Pet and animal directory.Add your links today and help us grow to be the biggest on the web. a publication that is issued regularly. It is distinguished from the newspaper in format in that its pages are smaller and are usually bound, and it is published at weekly, monthly, quarterly, or other intervals, rather than daily. Periodicals range from technical and scholarly journals to illustrated magazines for mass circulation.