FOR AGES 3 YEARS TO 18 YEARS
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Geoffroy's Marmoset (Callithrix geoffroyi), an endemic species to Brazil is also known as the tufted-ear marmoset and white-headed marmoset. These mammals are spread in several Brazilian states such as Bahia, Minas Gerais, Espirito Santo, and Santa Catarina. People also refer to Geoffroy's marmoset as ‘sagui’ or ‘sauim’ in the native language.
Geoffroy's marmosets are small. An interesting fact about the animal is that its tail is longer than its body. The marmosets are generally black and brown, they have gray and black rings on their tails. The adult Geoffroy's marmosets have black ear tufts, white cheeks, and heads while the infants have no such features. They are found in semi-deciduous forests, sub-montane forests, and lowland forests. But practices such as human intervention, deforestation, and illegal pet trade are the major threats to the life of Geoffroy's marmosets. The International Union for Conservation of Nature lasted the species in the Least Concern category. Also, the Convention on International Trade in Endangered Species has listed the species in Appendix II which means the species is not threatened.
Keep on reading to learn more interesting facts about Geoffroy's marmoset. If you want to know more exciting information about different animals, check out the pygmy marmoset and capuchin monkey.
Geoffroy's marmosets belong to the order of primates and are monkeys. They are omnivores and primarily prey on fruits, frogs, lizards, and small insects. The animals are endemic to Brazil.
Geoffroy's Marmoset (Callithrix geoffroyi) is a member of the mammal class, family Callitrichidae, and genus Callithrix.
The Geoffroy's marmosets are native to Brazil and the exact population of these small primates is not known as of now but according to a study, the population of these animals has been increasing since the 70s.
The Geoffroy's Marmoset (Callithrix geoffroyi) can easily be found in several states of Brazil such as Bahia, Minas Gerais, Espirito Santo, and Santa Catarina. These animals are also spotted near the Jequitinhonha River for a few decades.
The marmosets inhabit sub-montane forests, lowland forests, deciduous forests in the Caatinga ecosystem, semi-deciduous forests, and dense forests in the Atlantic forest ecosystem. These animals are also found in several zoos.
Most of the marmosets live in family groups while a few of the male marmosets are solitary. Their group consists of around two to three breeding females.
The average lifespan of a Geoffroy's marmoset (Callithrix geoffroyi) is around 9-10 years but if kept in captivity these animals can live even longer.
These small primates follow the practice of monogamy for producing offspring. In the whole group, the dominant male and female breeds. The dominant female marmoset releases pheromones, a chemical to attract the dominant male Geoffroy's marmoset. Several studies suggest that only one female release the pheromones scent while others take care of the offsprings and family.
The female marmoset goes through the heat or estrous cycle after attaining maturation and during this period the female expresses signs of mating behavior. Before breeding, they are involved in courtship in which the males and females sniff and groom each other. The gestation period lasts for around four to six months. The female marmosets give birth to twins, but sometimes they also give birth to a single infant and triplets. After the birth, the male Geoffroy's marmoset takes care of the offspring for a few months, and then the whole family is involved in taking care of the babies. Also, the elder siblings and family members teach the young marmosets key skills and expertise.
While talking about the conservation status of the species, organizations such as the International Union for Conservation of Nature have listed Geoffroy's marmosets in the Least Concern category. A huge population of marmosets is found in several states of Brazil and the government has taken essential steps to protect the species. The Convention on International Trade in Endangered Species has listed the species in Appendix II, which means the species is not threatened. In Brazil, people also hunt the species for the pet trade. Several local governments are also running awareness campaigns to aware people and protect the species.
These marmosets are not very big. They have a dark coat of fur in a brown or black color. The fur on their backs has an orange-brown and white pattern giving these animals a unique look. They have black fluffy ear tufts that crown their head. Their face is white with a light brown nose and mouth. Their underpart coloring is a darker brown. Their tail, which is longer than their body size, is also darker in color and is slightly ringed.
One of the cutest and most adorable animals, Geoffroy's marmosets belong to the order of primates. These monkeys belong to the wild and are found in sub-montane forests, lowland forests, deciduous forests in the Caatinga ecosystem, semi-deciduous forests, dense forests in the Atlantic forest ecosystem, and several zoos. Their babies are so beautiful and alluring, unlike the adult marmosets, the juveniles have no white marks on their faces. Their mothers usually give birth to twins and triplets.
Like other mammals, Geoffroy's marmosets use vocal, visual, and tactile methods to communicate with each other. They use high-pitched and loud voices to indicate some danger. Also, the members of the group constantly make different sounds to surveil others. During the breeding season, the female marmosets release pheromones to attract the male partner, and courtship behaviors such as grooming, huddling, and sniffing are also the other means of communication.
The Geoffroy's Marmosets are quite small in size. The average weight and length of marmosets are 0.4-0.8 (190-360 g) and 7.5-7.8 in (19.05-19.8 cm) respectively. The species is thrice the weight of the Pygmy Marmoset monkeys which are found in several countries of South America. A few of Geoffroy's marmosets are twice the weight of the first new world monkey, the Common Marmoset.
The exact speed of the marmosets is not known but these monkeys are known for their smart behavior. These monkeys are very small but they can easily move and attack if they feel some danger.
Generally, the male Geoffroy marmoset weighs more than the female marmoset but the average weight of these animals is 0.4-0.8 (190-360 g).
No specific names have been given to the male and female Geoffroy's marmoset.
No particular name is used to refer to the baby of Geoffroy's marmoset. People generally use terms such as offspring or young marmosets to refer to the babies of the species.
These monkeys are omnivores and they primarily prey on fruits, small insects, nectar, and flowers. Apart from this, they prey on animals such as frogs, lizards, and snails. Geoffroy's marmosets also extract gum and sap from the tree trunks.
Geoffroy's marmosets are small and don't seem dangerous, unlike other monkeys of the new world. Adult monkeys are more dangerous compared to young marmosets. Also, the species are generally found in groups, so they can easily attack if someone tries to come closer or provoke them. The species is also known for its painful bite.
Geoffroy's marmosets are small-sized monkeys and everyone would love to pet them but before thinking of keeping these animals as pets, you must have legal permission. Unlike most animals, Geoffroy's marmoset is quite rare and native to Brazil only. People also hunt them for the pet trade.
These monkeys love human interaction if raised since birth. Also, they are very playful and friendly with other pets as well. But special care and attention are required for these cute Geoffroy's marmosets.
The offspring of Geoffroy's marmosets do not have ear tufts and white marks on their face. Their offspring usually begin to develop ear tufts and white markings after five months of birth.
Geoffroy's marmoset monkeys have certain features that differentiate them from other monkeys of the new world. Geoffroy's marmosets are generally very small in size and have modified claws on all the digits except their huge toes. Also, unlike other monkeys, these white-headed marmosets have only two molar teeth on each side of the jaws.
When the babies of these animals are born, the members of the group eat the placenta.
While they play with each other, these monkeys raise their tails and flatten their ear tufts.
In counties such as Canada and the United States, it is illegal to own any species of marmoset but as of now, it is legal to have the marmoset monkeys as pets in the United Kingdom but only with a license. Given that they are exotic animals, these marmosets will not come cheap.
Geoffroy's marmosets primarily belong to the wild and could be dangerous to humans. These tiny-sized monkeys also attack and bite humans if provoked. Their bite could be painful as well.
Here at Kidadl, we have carefully created lots of interesting family-friendly animal facts for everyone to discover! Learn more about some other mammals including the Colobus monkey, or spider monkey.
You can even occupy yourself at home by drawing one on our Geoffroy's marmoset coloring pages.
https://nationalzoo.si.edu/animals/geoffroys-marmoset
https://www.henryvilaszoo.gov/animal/geoffroys-marmoset/
https://animaldiversity.org/accounts/Callithrix_geoffroyi/
https://www.neprimateconservancy.org/white-headed-marmoset.html
Read The Disclaimer
At Kidadl we pride ourselves on offering families original ideas to make the most of time spent together at home or out and about, wherever you are in the world. We strive to recommend the very best things that are suggested by our community and are things we would do ourselves - our aim is to be the trusted friend to parents.
We try our very best, but cannot guarantee perfection. We will always aim to give you accurate information at the date of publication - however, information does change, so it’s important you do your own research, double-check and make the decision that is right for your family.
Kidadl provides inspiration to entertain and educate your children. We recognise that not all activities and ideas are appropriate and suitable for all children and families or in all circumstances. Our recommended activities are based on age but these are a guide. We recommend that these ideas are used as inspiration, that ideas are undertaken with appropriate adult supervision, and that each adult uses their own discretion and knowledge of their children to consider the safety and suitability.
Kidadl cannot accept liability for the execution of these ideas, and parental supervision is advised at all times, as safety is paramount. Anyone using the information provided by Kidadl does so at their own risk and we can not accept liability if things go wrong.
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