It is hard to guess what a Santarem marmoset weights. But we have the answer:
An adult Santarem marmoset (Callithrix humeralifera) on average weights 375 grams (0.83 lbs).
The Santarem marmoset is from the family Callitrichidae (genus: Callithrix). It is usually born with about 34 grams (0.07 lbs). They can live for up to 15 years. When reaching adult age, they grow up to 24 cm (0′ 10″).
As a reference: An average human weights in at 62 kg (137 lbs) and reaches an average size of 1.65m (5′ 5″). Humans spend 280 days (40 weeks) in the womb of their mother and reach around 75 years of age.
The Santarem marmoset (Mico humeralifer), also known as the black and white tassel-ear marmoset, is a marmoset endemic to the Brazilian states of Amazonas and Pará.
Animals of the same family as a Santarem marmoset
We found other animals of the Callitrichidae family:
- Black lion tamarin with a weight of 656 grams
- Silvery marmoset with a weight of 376 grams
- Golden-mantled tamarin with a weight of 385 grams
- Brown-mantled tamarin with a weight of 393 grams
- Pied tamarin with a weight of 465 grams
- Wied’s marmoset with a weight of 375 grams
- Common marmoset with a weight of 291 grams
- Cotton-top tamarin with a weight of 463 grams
- White-headed marmoset with a weight of 342 grams
- Buffy-headed marmoset with a weight of 374 grams
Animals with the same weight as a Santarem marmoset
As a comparison, here are some other animals that weight as much as the Callithrix humeralifera:
- Pygmy rabbit bringing 437 grams to the scale
- Little red flying fox bringing 379 grams to the scale
- Gilliard’s flying fox bringing 406 grams to the scale
- Brazilian spiny tree-rat bringing 400 grams to the scale
- Goya tuco-tuco bringing 400 grams to the scale
- Edwards’s long-tailed giant rat bringing 304 grams to the scale
- Brown four-eyed opossum bringing 365 grams to the scale
- Brown-mantled tamarin bringing 393 grams to the scale
- Mahogany glider bringing 361 grams to the scale
- Long-tailed armored tree-rat bringing 439 grams to the scale
Animals with the same life expectancy as a Santarem marmoset
Completely different animals, but becoming as old as a Santarem marmoset:
- Southern tree hyrax with an average maximal age of 12.25 years
- Himalayan goral with an average maximal age of 17.58 years
- Greater false vampire bat with an average maximal age of 14 years
- Striped skunk with an average maximal age of 12.92 years
- Red fox with an average maximal age of 15 years
- Natterer’s bat with an average maximal age of 15 years
- Greater bamboo lemur with an average maximal age of 12 years
- Brush-tailed rock-wallaby with an average maximal age of 14.33 years
- Red-fronted gazelle with an average maximal age of 13.5 years
- Black bearded saki with an average maximal age of 18 years