Calling activity of Eleutherodactylus frogs of Puerto Rico and habitat distribution of E. richmondi
Villanueva-Rivera, L. J. 2006. Calling activity of Eleutherodactylus frogs of Puerto Rico and habitat distribution of E. richmondi. MS Thesis. Department of Biology. University of Puerto Rico, Río Piedras Campus.
Chapter 1: Digital recorders increase the detected calling activity level and detection probability for acoustical monitoring of Eleutherodactylus frogs
Chapter 2: Calling activity of highland Eleutherodactylus frogs of puerto rico: implications for monitoring projects
Chapter 3: Habitat distribution map for the vulnerable frog Eleutherodactylus richmondi from Puerto Rico
A version of Chapter 1 has been published: Villanueva-Rivera, L. J. 2007. Digital recorders increase detection of Eleutherodactylus frogs. Herpetological Review 38: 59-63.