Birding Software for Windows and Macintosh
From Thayer Birding Software 
(Click an Image to Make a Purchase)

	Guide to Birds of North America Gold DVD version 5 See 957 species seen in the United States and Canada. For Windows computers only. Show me more!  Feature Comparison Chart
	Guide to Birds of North America version 4 See 700 species seen in the United States and Canada. Works on Windows and Mac computers. Show me more!
	Birds of My State or Province version 4 Select one of ten regions or any state or any province. You decide which you want when you  install the program on your computer. Show me more!
	Expand to Birds of North America Expand to Birds of North America v4
	School Computer Lab Packages Seat licenses for 10, 20 or 30 students