Here are 3 people-animal collaborations besides dolphins and Brazilians
Humans and animals have cooperated throughout history. But it’s rare and at risk of disappearing
![A fisher stands in waist-deep water with a fishing line as he looks at a dolphin breaking through the surface](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/02/020323_di_human-animal-collabs_feat.jpg?fit=1030%2C580&ssl=1)
Fishers (one shown) in the southern Brazilian city of Laguna work together with dolphins to catch elusive mullet.
M. Cantor et al/PNAS 2023