Hi magicman,
Good idea for your site. It's looking ok, but I think everything Karen has suggested is spot on. If I may, I'd also like to add a few more things to your list:
1. When a visitor goes to your "Breed Overview" page, I think it looks a bit bare. Is there a way for you to add an image to the first post and maybe another one or two posts below?
2. On the "Popularity by Breed" page, the list is really long and boring. How about making it a little more interesting by adding some photos at various points? I think you should definitely have a photo for #1, but maybe add another one for every ten on the list. This will break it up a bit and bring some visual appeal to the post. Images are great for this.
3. Your Doggy Bloggy (great title btw) blog also looks a bit confused. Maybe take the "excerpt" restriction off the first post and display it fully. Then also add a few more posts below.
4. Also on Doggy Bloggy, the ALT or Descriptions on the photos are just way too distracting. You're blocking most of the photo. The phrases also look a bit spammy for Google. If use the ALT tag properly for a valid description of your photo, it will help your SEO a little. The way it is right now, is not good.
5. Last, but not least, is there any way you can get your sidebar up in line with the top of your first blog post? It just looks neater and more deliberate.
I hope you don't mind my rather subjective comments, but I do web design for a living so have some experience in this field. I really only want to help you make your site look great.
Col