Sure, looking on GoDaddy and discovering whether the domain name is available can help narrow the choices, but you need to find a blog name you love and one you can live with for years to come. Even for pet lovers and writers, your blog is your brand and you need to choose wisely.
How did you choose your blog name? Does it have a particular significance to you? How has your blog name helped to "brand" who you are as a pet blogger?