What Small native cat to North and South America did Carl B. Koford make studies on in the 50's and 70's?
Jaguarundi The jaguarundi ("Puma yagouaroundi") ( ) or eyra cat is a small wild cat native to southern North America and South America. It has been listed as Least Concern on the IUCN Red List since 2002. Its presence in Uruguay is uncertain. The megareserves of the Amazon Basin are probably the only conservation units that can sustain long-term viable populations.
Andean squirrel The Andean squirrel ("Sciurus pucheranii") is a tree squirrel endemic to Colombia where it inhabits montane rain forest and cloud forests of the Cordillera Occidental and Cordillera Central ranges of the Colombian Andes, at elevations between 2000 and . It is a small species with a body length of about 14 cm and a similar length tail. It has soft, silky, reddish-brown fur, a darker tail and yellowish-grey underparts. It is thought to be diurnal but has been little studied, and the International Union for Conservation of Nature has rated its conservation status as being data deficient.