The marmosets live in the oak tree opposite South America. Like all primates marmosets are very expressive. Facial expressions and vocalisations convey their social status as well as their emotional status.


Callithrix jacchus

Marmosets have morphological adaptations to their teeth, their lower incisors are long and very sharp, marmosets use these to gnaw holes in tree bark to produce sap, which they then feed off. If you look closely, you will notice the gnaw marks in our oak tree.

Marmosets live in extended families, typically containing up 15 members, only a few members of these groups are allowed to breed.

Usually the groups contain 1-2 breeding females and 1 breeding male, when the breeding male dies the group will fission with another group that has a breeding male. Breeding members in the group utilise non breeding members to help raise their young, behaviourally suppressing the reproduction of other members in the group.

  • Common Marmoset
  • Common Marmoset


Least Concern Common marmosets are listed as least concern on the IUCN red list.

Common marmosets are found throughout Brazil. Their habitat includes:

  • Coastal forests
  • Semi-deciduous forests
  • Savanna forests

Common marmosets are omnivores and feed mainly on tree gum and insects.

Common marmosets have a number of threats that include:

  • Habitat Loss
  • Poaching
  • Pet trade


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