Therya  

Jacob A. Esselstyn,Giovani Hernández-Canchola

It is a great pleasure to introduce this special feature honoring Dr. Alfred Lunt Gardner.  Al’s many contributions to mammalogy span seven decades, two continents, and practically the entire tree of mammals.  It is impossible to imagine what ma... see more

Paul M. Velazco,Grace Ly,Julia McAllister,Diego A. Esquivel

The taxonomy of Neotropical bats is constantly changing, with new species being described and junior synonyms elevated, while other taxa are relegated to junior synonyms or subspecies.  The genus Platyrrhinus has followed this trend, with some issues... see more

James L. Patton,Robert N. Fisher

The Little pocket mouse (Perognathus longimembris) encompasses 15 to 16 currently recognized subspecies, six of which are restricted to southern California and adjacent northern Baja California.  Using cranial geomorphometric shape parameters and dor... see more

Neal Woodman

The Soricidae (Mammalia: Eulypotyphla) comprises more than 450 species inhabiting a variety of habitats on five continents.  As a family, shrews employ a variety of locomotor modes that incorporate ambulatory, fossorial, aquatic, and scansorial behav... see more

Elizabeth Arellano,Ana L. Almendra,Daily Martínez-Borrego,Francisco X. González-Cózatl,Duke S. Rogers

Reithrodontomys sumichrasti is distributed from central México to Panama.  Previous studies using DNA sequences suggest the existence of distinct clades that may deserve species-level recognition.  Here, we use multiple methods of species delimi... see more

Susette Castañeda-Rico,Cody W. Edwards,Melissa T. R. Hawkins,Jesús E. Maldonado

Hooper’s deer mouse, Peromyscus hooperi, is the sole member of the Peromyscus hooperi species group.  This species is endemic to México where it is restricted to the grassland transition zone in the states of Coahuila, Zacatecas, and San Luis Potosí.... see more

Iván Hernández-Chávez,Lázaro Guevara,Joaquín Arroyo-Cabrales,Livia León-Paniagua

Artibeus aztecus is a Mesoamerican montane bat with three currently recognized, allopatric subspecies.  No study has evaluated the phylogenetic status of the subspecies.  However, through an analysis of its ecological niche and its geographic di... see more

José D. Ramírez-Fernández,Gilbert Barrantes,Catalina Sánchez-Quirós,Bernal Rodríguez-Herrera

The Costa Rican highlands are considered hotspots of diversity and endemism, but studies on rodents are scarce.  We compared the richness and abundance of mice between the montane forest and the paramo at the summit of the Talamanca mountain range.&n... see more

Ronald H. Pine,Gianfranco Gomez Zamora,Fiona A. Reid,Robert M. Timm

Roosting habits of disk-winged bats of the genus Thyroptera (Chiroptera: Thyropteridae) have been unknown to very poorly known except for those of the commonly encountered T. tricolor.  Many secondary literature publications state that roosting habit... see more

Felipe Pessoa Silva,Lucas Gonçalves da Silva,Thiago B. F. Semedo,Tamily C. M. Santos,Gerson Paulino Lopes,Martin Alejandro Montes,Guilherme S. T. Garbino

The historical biogeography of the major South American forested biomes has long intrigued scientists.  Paleoclimatic events during the last 130 thousand years promoted connections between forested biomes in the Neotropical region, leading to disjunc... see more

Leonora Torres Knoop,Enrique Martínez Meyer,Rodrigo A. Medellín

The Mexican Long-nosed bat (Leptonycteris nivalis) is the largest nectarivorous species in the New World, and one of three migratory nectarivores in Mexico. It is considered an ‘Endangered Species’ under the U.S. Endangered Species Act and ‘Threatened’ by... see more

Monserrat Sánchez-Reyes,Xavier Chiappa-Carrara,Ella Vázquez-Domínguez,Carlos Yáñez-Arenas,Manuel Falconi,Luis Osorio-Olvera,Rusby G. Contreras-Díaz

Human activity has caused the decrease of about 20 % of the planet's vertebrate diversity and 25 % in their abundance.  Many large and medium-sized herbivore mammals have gone extinct locally, unleashing a cascade of ecosystem changes.  The spot... see more

L. Ernesto Pérez-Montes,Sergio Ticul Álvarez-Castañeda,Consuelo Lorenzo

The physiographic, climatic, and ecological characteristics of the mountainous regions of Oaxaca are unique and host geographically isolated populations of Peromyscus mexicanus.  Populations of P. mexicanus from the Sierra Madre del Sur in the Gulf s... see more

Luis A. Ruedas,Lucía I. López,José M. Mora

To ascertain the taxonomic identity of cottontail rabbits from Costa Rica, we examined the holotypes of all the taxa of Sylvilagus currently subsumed within the Sylvilagus floridanus species complex as defined by Philip Hershkovitz.  The almost 40 na... see more