Complex sentence: Capybaras are semi-aquatic mammals found throughout almost all countries of South America (except Chile) in densely forested areas near bodies of water, such as lakes, rivers, swamps, ponds, and marshes, as well as flooded savannah and along rivers in tropical forest.
Split into simpler sentences: Capybaras are semi-aquatic mammals found throughout almost all countries of South America (except Chile). They live in densely forested areas near bodies of water, such as lakes, rivers, swamps, ponds, and marshes, as well as flooded savannah and along rivers in tropical forest.