2 days per year for each route to travel, do route, enter and check data. Very high skill level required to identify by sight or sound all likely species for the area where route occurs.

US site – look at myriad of results https://www.pwrc.usgs.gov/BBS/index.cfm

Canadian Site – explore results http://ec.gc.ca/reom-mbs/default.asp?lang=En&n=416B57CA-1

Find your local coordinator who can help you find a route http://ec.gc.ca/reom-mbs/default.asp?lang=En&n=C6E31C35-1