They are notable for living in large family groups. Female marmosets usually give birth to twins, and the entire family is ...

Several of the wet-nosed primates – including lemurs, lorises and galagos – and almost all of the marmosets and tamarins from South America give birth to twins. Prior to our work, researchers ...

Marmoset pregnancies generally produce fraternal twins. During gestation, the two placentas fuse, mingling the blood-producing cells of the developing fetuses. Until now, it was unclear whether ...

Many evolutionary biologists have thought that it is common for primates to give birth to one baby per pregnancy, and that species that give birth to twins or more, such as marmosets and tamarins ...

The common marmoset may be small enough to fit in the palm of a hand, but the diminutive stature of these monkeys belies their enormous significance in unraveling the intricate mysteries of human ...