A Swift Guide to Butterflies of North America is a field guider’s field guide. It is the shape and size of a traditional field guide. The designers of this book said “we don’t need no stinking margins” so there are no margins. Color bleeds on the page edges allow a quick index to major butterfly categories. There is a two page spread visual index. A no nonsense introduction give you the basics about how to use the book, how to be a butterflyer, and how to not be a jerk about butterflies (like, don’t net them and kill them). The front covers even have those flaps that you can use as bookmarks.
Ranges are an interesting problem with butterflies, since their biogeography is both very heterogeneous and in some cases rapidly changing. Also, a key feature of their breeding ranges is not so much when they are there, but how many times they cycle through broods over the warm months. So the maps are interesting: Continue reading A guide to the butterflies (book review)