Pacman Frog, Argentine Wide-mouth Frog, Ceratophrys ornata. en.wikipedia.org/wiki/Argentine_horned_frog says this Argentine Horned Frog (Ceratophrys ornata), also known as the Argentine wide-mouthed Frog or Pacman frog, is the most common species of Horned Frog, from the rain forests of Argentina, Uruguay and Brazil. A voracious eater, it will attempt to swallow anything that moves close to its wide mouth, such as insects, and rodents, lizards and other frogs, even if it would suffocate in the process. From a workshop on Macro Photography by Dave Bowlus et al., San Luis Obispo, CA 19 Sept 2010. An especial thanks to Dennis Sheridan for providing the live subject seen in this photo, and to Cheryl Strahl for superb organization and coordination of the workshop. Photo by "Mike" Michael L. Baird, mike [at} mikebaird d o t com, flickr.bairdphotos.com; Shooting a Canon 1D Mark III, Canon EF 180mm f3.5L Macro USM AutoFocus Telephoto Lens, Canon Speedlite 580EX II Flash, handheld or on a small Gitzo tripod. To use this photo, see access, attribution, and commenting recommendations at www.flickr.com/people/mikebaird/#credit - Please add comments/notes/tags to add to or correct information, identification, etc. Please, no comments or invites with badges, images, multiple invites, award levels, flashing icons, or award/post rules. Critique invited.