In noisy environs, pied tamarins are using smell more often to communicate
The critically endangered primates, like other animals, are adapting to survive in urban areas
![A photo of two baby pied tamarins lying on the back of an adult pied tamarin in a tree.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/09/092623_mr_pied_tamarins_feat.jpg?fit=1030%2C580&ssl=1)
Pied tamarins are a critically endangered species that live in noisy urban environments in Brazil. The animals now complement vocalizations with smell markings to alert other tamarins to dangers.
Lucian Veras