species of mammal are on the national list of endangered species. 325 species of birds have been recorded, including 20 considered endangered. The lagoons are home to 27 species of fish. 38 species of amphibians have been recorded. Exotic species of fish such as Tucunaré (Cichla), piranha and oscar (Astronotus ocellatus) have caused changes to the food chain. Mammals include the capybara (Hydrochoerus hydrochaeris), South American tapir (Tapirus terrestris), Black capuchin (Sapajus nigritus), Black-fronted titi monkey (Callicebus nigrifrons), lowland paca (Cuniculus paca), Gray brocket (Mazama gouazoubira"") and common agoutis, and endangered species such as jaguar (Panthera onca), solitary tinamou (Tinamus solitarius) and the Northern muriqui (Brachyteles hypoxanthus). Birds species include the Green-backed trogon (Trogon viridis), Ornate hawk-eagle (Spizaetus ornatus), Southern mealy amazon (Amazona farinosa), dusky-legged guan (Penelope obscura), Rufous-vented ground cuckoo (Neomorphus geoffroyi), Red-ruffed fruitcrow (Pyroderus scutatus), Tanagers and Forbes's blackbird (Anumara forbesi''). Threats include illegal hunting and fishing, fires, urban sprawl in the municipality of Timóteo and road kill on the Ponte Queimada road. Visiting There were more than 21,000 visitors in 2000. The park is open for visits Tuesday to Sunday and holidays from 08:00 to 17:00. There is parking, a camping area, changing rooms, a restaurant, amphitheater, visitor center, research center, plant nursery and environment police post. The main attraction is the Lagoa Dom Helvécio, also known as Bishop's pond, where visitors can swim, fish, and make boat trips. There are also hiking trails in the woods. The Dom Helvécio Lagoon in the southwest of the park is the largest natural lagoon in Brazil. There is a public beach on the bank of the lagoon at the end of the park road, from the entrance, which may be used for swimming and sports fishing. It is delimited by a cord of buoys, and has male and female changing rooms. Lifeguards are on duty on long weekends. Sports fishing is allowed with limitations, and only earthworms are allowed as live bait. Kayaks and paddle boats can be rented. Rowing boats and boats with electric motors can be used to tour the lagoon, but disembarkation is not allowed. Notes Sources State parks of Brazil Protected areas established in 1944 1944 establishments in Brazil Protected areas of Minas Gerais Ramsar sites in Brazil