Reduce and compress Excel documents (.xls, .xlsx, .xlsm, .ods) online
to make them smaller, so you can better send them via email.
You just need to select the Excel file (~50MB) you want to compress.
The guide is available in paperback from several online retailers:
: The guide includes 47 color plates featuring photographs of 293 of the 307 North American species. Each profile also includes a range map to help users determine if a species is likely to be found in their area. Dragonflies through Binoculars: A Field Guide t...
While it remains a classic for its accessibility and wealth of information, some users at the Ontario Field Naturalists note that because it relies on photographs rather than illustrations, some identification images are small. For those seeking more recent guides with modern illustrations, alternatives like Dragonflies of North America by Ed Lam (2025) are also available. The guide is available in paperback from several
