Belém is home to a part of the Amazon in Mangal das Garças, set on the banks of the Rio Guamá, in the historic center of the capital. The site is a revitalized ecological park, occupying an area of 40,000 square meters in the vicinity of the Navy Arsenal.
The White-faced Ibis (Plegadis chihi) is a wading bird in the ibis family Threskiornithidae. This species breeds colonially in marshes, usually nesting in bushes or low trees. Its breeding range extends from the western USA south through Mexico, as well as from southeastern Brazil and southeastern Bolivia south to central Argentina, and along the coast of central Chile. Its winter range extends from southern California and Louisiana south to include the rest of its breeding range.