It is hard to guess what a White-headed marmoset weights. But we have the answer:
An adult White-headed marmoset (Callithrix geoffroyi) on average weights 342 grams (0.75 lbs).
The White-headed marmoset is from the family Callitrichidae (genus: Callithrix). 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 white-headed marmoset (Callithrix geoffroyi), also known as the tufted-ear marmoset, Geoffroy’s marmoset, or Geoffrey’s marmoset, is a marmoset endemic to forests in eastern Brazil where native to Bahia, Espírito Santo and Minas Gerais, and introduced to Santa Catarina. It is known as the sagüi or sauim in Brazil.One of the more common callitrichids in captivity, many zoos keep and breed the species. In fact, some zoos have to use birth-control methods for them.
Animals of the same family as a White-headed marmoset
We found other animals of the Callitrichidae family:
- Common marmoset with a weight of 291 grams
- Black lion tamarin with a weight of 656 grams
- Golden lion tamarin with a weight of 593 grams
- White-footed tamarin with a weight of 457 grams
- Golden-mantled tamarin with a weight of 385 grams
- Buffy-headed marmoset with a weight of 374 grams
- Mottle-faced tamarin with a weight of 803 grams
- Santarem marmoset with a weight of 375 grams
- Moustached tamarin with a weight of 557 grams
- Geoffroy’s tamarin with a weight of 493 grams
Animals with the same weight as a White-headed marmoset
As a comparison, here are some other animals that weight as much as the Callithrix geoffroyi:
- European ground squirrel bringing 396 grams to the scale
- Brazilian spiny tree-rat bringing 398 grams to the scale
- Lyle’s flying fox bringing 319 grams to the scale
- Magdalena spiny rat bringing 284 grams to the scale
- Colombian spiny rat bringing 312 grams to the scale
- Lowland ringtail possum bringing 300 grams to the scale
- Chiapan climbing rat bringing 280 grams to the scale
- Mutable sun squirrel bringing 390 grams to the scale
- Brown-eared woolly opossum bringing 351 grams to the scale
- Horse-tailed squirrel bringing 358 grams to the scale