Sciurus yucatanensisYucatan squirrel

Geographic Range

The Yucatan, Tabasco, and Eastern Chiapas in Mexico, and northern Guatemala.

Physical Description


Breeding takes place in April and May. Litters range from 2-5 individuals.

  • Key Reproductive Features
  • gonochoric/gonochoristic/dioecious (sexes separate)
  • sexual


This rodent is nocturnal and very timid. Little else is known about the behaviour of this organism.

Communication and Perception

Food Habits


Conservation Status


Bret Weinstein (author), University of Michigan-Ann Arbor.



living in the southern part of the New World. In other words, Central and South America.

World Map

bilateral symmetry

having body symmetry such that the animal can be divided in one plane into two mirror-image halves. Animals with bilateral symmetry have dorsal and ventral sides, as well as anterior and posterior ends. Synapomorphy of the Bilateria.


uses smells or other chemicals to communicate


animals that use metabolically generated heat to regulate body temperature independently of ambient temperature. Endothermy is a synapomorphy of the Mammalia, although it may have arisen in a (now extinct) synapsid ancestor; the fossil record does not distinguish these possibilities. Convergent in birds.


having the capacity to move from one place to another.

native range

the area in which the animal is naturally found, the region in which it is endemic.


reproduction that includes combining the genetic contribution of two individuals, a male and a female


uses touch to communicate


Mammalian Species #506

Walker's Mammals of the World, fifth edition; Nowak, R. ed.; 1991; Johns Hopkins University Press. pp. 580-583