Thayer Birding Software

Guide to Birds of North America Gold DVD version 5.5

See 970 species seen in the United States and Canada. 
For Windows computers (or Macs + Windows emulation.)

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 $99.95

Guide to Birds of North America version 4.5

See 753 species seen in the United States and Canada. 
For Windows and Mac computers.

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 $79.95

Birds of My State or Province version 4.5

Select any one state or province. You decide which you want when you install the program on your computer. 

We have also created 14 special State covers that contain the same software but that are ideal for personalized gifts to friends and relatives in these areas: CA, FL, GA, IL, MI, MO, NC, NJ, NY,OH, PA, TX, VA, WA.

For Windows and Mac computers.

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   $49.95

Expand to Birds of North America

If you own any State/Province program and you want to see more birds, just buy this expand package and you will be able to see everything that is on the full Guide to Birds of North America for whichever version your have. This works for version 4.5, 4.0 and 3.9.

Expand to Birds of North America from a State version

$39.95

School Computer Lab Packages

Schools with computer labs may need 10 or more students to use the program at the same time. This is what your school or university needs to be able to do this.

  Seat licenses for 10, 20 or 30 students (v4.5)
  Seat licenses for 10, 20 or 30 students (v5.5 Gold)
            
 Various Prices