Editing Pygmy marmoset (section)

=== Geographic range and habitat ===

Pygmy marmosets can be found in much of the western [[Amazon Basin]], in [[Brazil]], [[Colombia]], [[Ecuador]], [[Peru]], and [[Bolivia]]. The western pygmy marmoset, ''C. pygmaea'', occurs in the state of [[Amazonas (Brazilian state)|Amazonas]], Brazil, eastern Peru, southern Colombia, and north-eastern Ecuador. The eastern pygmy marmoset, ''C. niveiventris'', is also found in Amazonas, but also in [[Acre (state)|Acre]], Brazil, eastern Peru, and northern Bolivia. The distribution of both species is often limited by rivers. They typically live in the understory of the mature evergreen forests and often near rivers.<ref name="IUCN" /> [[Population density]] is correlated with food-tree availability. They can be found between ground level and about {{cvt|20|m|abbr=on}} into the trees, but generally do not enter the top of the [[Canopy (biology)|canopy]]. They are often found in areas having standing water for more than three months of the year.<ref name="Soini1988" />