Know Your Primate: Weid’s black-tufted-ear marmoset

Order: Primates
Family: Callitrichidae
Genus: Callithrix
Species: Callithrix kuhlii
Common Name: Weid’s black-tufted-ear marmoset
In some ways, marmosets are highly derived. Their incisors are almost as large as their canines and have thin enamel which causes them to wear down into a chisel like shape similar to rodent incisors. They primarily feed on gums, saps and resins. Weid’s black-tufted-ear marmoset lives in southwest Brazil.

Weid’s black-tufted-ear marmoset also has a uniques breeding system. They live in groups and only the dominant female mates, usually with several different males. Consequently, all the males in the group have a vested interest in taking care of the offspring. This has led to some interesting effects on marmoset biology and behavior.

One Response

  1. Do the males babysit because they think the babies might be their kids, or because the kids smell like (and/or have pheromones like) the mother?
    IOW, do you get the feeling this whole knowing about the role of sex in reproduction is just a bit too facile?

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