| 1 | The researchers found that the capuchins treated the marmoset, who they named Fortunata, just like an infant capuchin. | |
| 2 | The monkeys raised the marmoset from infancy to about the age she would have been an adult. | |
| 3 | Scientists in Brazil were studying how marmosets in a city park cope with ambient noise. | |
| 4 | On weekdays, the marmosets steered clear of the roar of traffic, and on Sundays they shunned the clamor of visiting crowds. | |
| 5 | Researchers have seen evidence of altruistic-type behavior in several species, including marmosets, rats, and even ants. |