Within days of losing his brother, Fernando, a second giant otter at the Roger Williams Park Zoo has died.

Humans have hunted the Giant River Otter, contaminated its waterways, taken its food supplies and destroyed its nesting grounds. Today a new refuge for the world's largest otter faces a further ...

The giant otter (Pteronura brasiliensis) is an endangered species, according to the International Union for Conservation of Nature (IUCN). A recently published report authored by more than 50 ...

A family of giant river otters was released into the Iberá National Park in northeast Argentina on July 1. The endangered species, with no known breeding populations in Argentina over the past 40 ...

1. Otter ecology and its background -- 2. Pen pictures. Thirteen otters of the world : some natural history -- Europe -- Common or Eurasian otter, Lutra lutra -- North America -- River otter, or North ...