Collared peccaries vanished from Uruguay after the 1800s; a 17-year breeding effort returned them to forests where a new generation has now been born

• collared peccaryFor more than 100 years, Uruguay’s grasslands and river forests were missing a native mammal that once moved through the country in social herds.
• That animal was the collared peccary, a compact, bristly species that disappeared locally in the late 1800s and is now being brought back through a long and carefully managed reintroduction effort.
• The comeback is still being watched closely, but the early signs are encouraging.