Everything used is by Stampin' Up! Cardstock colors, stamps & punches used vary- but if you have any questions feel to ask.
ETA: Thanks for all the comments and questions. I thought I'd try to answer a few of the questions, but also want to point out that on my post below there is a link to Lynn Pratt's classes where you can purchase the pdf file for downloading to get excellent, complete and detailed instructions on how to make some of these cards. Many of the birds are pieced together with multiple punched birds, cut in various ways (for example: the cardinal uses at least 4 red punched birds and one black one). Details are added with markers, white gel pen, punches circles for eyes in many cases and ink sponged on for definition. Also, the punch used is called the Extra Large Two-Step bird punch and can only be purchased from Stampin' Up! Here is a link to the bird punch- be sure to order through your SU demonstrator for the best possible price. If you don't have a demonstrator I'd be glad to order it for you! I hope that helps!!