Daniel J. Field:
Capybaras (Hydrochoerus hydrochaerus), Esteros del Iberá, Corrientes, Argentina
Daniel J. Field:
Capybara (Hydrochoerus hydrochaerus), Esteros del Iberá, Corrientes, Argentina
Daniel J. Field:
Pampas Cavy (Cavia aperea), Esteros del Iberá, Corrientes, Argentina
Daniel J. Field:
Shiny Cowbird (Molothrus bonariensis) atop a Capybara (Hydrochoerus hydrochaerus), Esteros del Iberá, Corrientes, Argentina
Daniel J. Field:
Cattle Tyrant (Machetornis rixosa) atop a Capybara (Hydrochoerus hydrochaerus)
Daniel J. Field:
American Red Squirrel (Tamiasciurus hudsonicus), Calgary, Alberta
Daniel J. Field:
Capybaras (Hydrochoerus hydrochaerus) with Cattle Tyrant (Machetornis rixosa), Pantanal, Brazil
Daniel J. Field:
Rock squirrel (Spermophilus variegatus), Portal, Arizona
Daniel J. Field:
Yellow-nosed cotton rat (Sigmodon ochrognathus), Portal, AZ
Daniel J. Field:
Deer mouse (Peromyscus maniculatus), Portal, AZ
Daniel J. Field:
North American Porcupine (Erethizon dorsatum), Colebrook, Connecticut
Daniel J. Field:
American Red Squirrel (Tamiasciurus hudsonicus), Calgary, Alberta
Daniel J. Field:
Capybara (Hydrochoerus hydrochaerus)
Daniel J. Field:
Muskrat (Ondatra zibethicus), Calgary, Alberta
Daniel J. Field:
Pallas's Squirrel (Callosciurus erythraeus), Bukit Fraser, Pahang, Malaysia
Daniel J. Field:
European water vole (Arvicola amphibius), Cambridge, Cambridgeshire, United Kingdom
Daniel J. Field:
Eastern grey squirrel (Sciurus carolinensis), Cambridge, Cambridgeshire, United Kingdom
Daniel J. Field:
Variegated squirrel (Sciurus variegatoides), Chiriquí, Panama
Daniel J. Field:
North American Porcupine (Erethizon dorsatum), Colorado Springs, Colorado
Daniel J. Field:
Bornean pygmy squirrel (Exilisciurus exilis), Poring, Sabah, Malaysia
Daniel J. Field:
Bornean mountain ground squirrel (Sundasciurus everetti), Crocker Range, Sabah, Malaysia
Daniel J. Field:
Eurasian red squirrel (Sciurus vulgaris), Mainz, Rhineland-Palatinate, Germany
Daniel J. Field:
Eurasian red squirrel (Sciurus vulgaris), Mainz, Rhineland-Palatinate, Germany
Daniel J. Field:
Central American agouti (Dasyprocta punctata), Gamboa, Panama
Daniel J. Field:
Central American agouti (Dasyprocta punctata), Gamboa, Panama
Daniel J. Field:
Fat sand rat (Psammomys obesus), near Ouarzazate, Morocco
Daniel J. Field:
Alpine marmot (Marmota marmota), Braunwald, Switzerland