Cited from endi.com
"There is a population in the Dry Forest of Guánica and it was seen in the north for the last time in Quebradillas around the 1990’s."
"Opposite to what many people think, the most common toad in Puerto Rico, the bull toad, is not native, and was brought to the Island between 1930-1950 to eradicate a worm that was eating the sugar cane."
After 26 years reproducing in captivity and being released only in the south, these 3,500 tadpoles will be released in the northern part of the Island, in the Karst.
This initiative is a collaboration between the Department of Natural and Environmental Resources and the communitarian organization Ciudadanos del Karso (Citizens for the Karst).