Make bird watching in Maryland and Delaware even more enjoyable With this field guide, bird identification is simple and informative. There's no need to look through dozens of photos of birds that don't live in Maryland or Delaware. This book features 140 species of Maryland and Delaware birds, organized by color for ease of use. Do you see a yellow bird and don't know what it is? Go to the yellow section to find out. Fact-filled information, a compare feature, range maps and detailed photographs help to ensure that you positively identify the birds that you see.