By Jorge de Souza
Since last week, a group of volunteers, university researchers, and members of the environmental police and the NGO Boto Vivo, from Laguna, on the coast of Brazil's Santa Catarina state, has not slept well.
The reason is that one of the dolphins — animals that in the region are also called "botos" — that has been frequenting the city's waters for decades (where it was nicknamed "Caroba"), decided to leave — but in the opposite direction to the sea.
Last week, without anyone being able to explain very well why (except, perhaps, the greater supply of food . . .