The silk floss tree (Ceiba speciosa) is a species of deciduous tree native to the north-east of Argentina, east of Bolivia, Paraguay, Uruguay and southern Brazil. It is resistant to drought and moderate cold. It grows fast in spurts when water is abundant, and sometimes reaches more than 82 ft in height. Its trunk is bottle-shaped, generally bulging in its lower third, measuring up to 7 ft in girth.
The maned wolf is the largest canid of South America, resembling a large fox with reddish fur. This mammal is found in open and semi-open habitats, especially grasslands with scattered bushes and trees, in south, central-west and south-eastern Brazil, Paraguay, northern Argentina, Bolivia east and north of the Andes.