The river has been tested for populations of giant otter.
The giant otters went on show for the first time on 26 March 2010.
The giant otter becomes extremely sensitive to human activity when rearing its young.
The giant otter has a handful of other names.
The giant otter's hearing is acute and its sense of smell excellent.
The giant otter is a highly social animal and lives in extended family groups.
A capacity for aggressive behavior should not be overstated with the giant otter.
The giant otter is very sensitive to human activity when rearing its young.
The giant otter seems to be opportunistic, taking whatever species are most locally abundant.
The giant otter has lost as much as 80% of its South American range.
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