Here’s a link to great bird food choices.  Morning Song Bird Food is available in most parts of the US.  There is a listing on the site of the retailers in your area.
http://www.morningsong.com/

Turn your backyard into a Backyard Wildlife habitiat:
http://www.nwf.org/

Click on this link to go directly to the application to have your backyard habitat certified by the National Wildlife Association
https://secure.nwf.org/backyardwildlifehabitat/certify/page1.cfm

Looking for a unique and yet fun and informative website about gardening and plants and virtually anything outdoors? Jerry's Plants On Line is a great place to hang out and while you are there you will want to sign up for the Hillbilly Gardener's newsletter the Garden of Weedin'
http://www.jerrysplantsonline

The following link will take you to the U.S. Fish and Wildlife site where you can learn even more about housing and feeding and attracting birds to your backyard . There is a terrific chart there for deciding which house and what food you want to purchase for your birds. http://www.pueblo.gsa.gov/cic_text/misc/forbirds/forbird.htm

This site is a MUST SEE. Look at Abigail feeding these Hummingbirds. They are eating right out of her hand!!!!
http://www.abigailsings.com/hummingbirds/

Like fish, birds can see colors in the ultraviolet spectrum that humans can't. They easily detect UV reflections. If you want to attract wild birds to bring in them in close for intimate watching or to photograph them, I highly recommend you purchase some "Fool-A-Wildbird" to have the experience of a lifetime! http://www.visionoutdoorsinc.com/

You will love my Canadian buddy Steve's Blog Site - especially if you are fond of cats! I am, and I have 2 at home, Mischief & Spanky. So if you are a feline lover, you have to check out Steve's Blog Site! You'll want to check back often too as he updates it frequently! http://fuzzbuttsblog.blogspot.com/

Visit my friend Len's website. He has some VERY unique gift items! http://www.4ys.org/cedarrockproducts/

My friend Rachel has a website that is unbelievably educational. She has a great bird article there - you won't want to leave! Learn how to make a bird cake. http://www.sitewizardseo.com/HEALTHYSCHOOLING/2819/

Downloadable Resources

How To Attract Purple Martins

Bird Food Choices

Feeder Types

How to Pick Out a Purple Martin House

Purple Martin Housing Standards