Field crickets and house crickets are celebrated singers. There are many species in North America, and they can be hard to tell apart. They have large heads, hind legs adapted for jumping, and stout, unmovable spines on the hind legs. Species may be black, brown, or tan. Adult females have a needlelike (but harmless) ovipositor extending outward from the abdomen; all have a pair of filament-like circi extending from the abdomen (each cercus functions like an antenna).
Permission to hide this cache in Ojibway Park has been given by Woodbury Park and Rec staff.