Generate a summary of the passage in less than 20 words
Input: Brazilian researchers have discovered a previously unknown species of blackbird in the Amazon rainforest. Found near Rio Tapajos, the blackbird has a distinctive patch of chestnut-coloured feathers and a distinctive call described as a ‘harsh scolding’.
A previously unknown species of blackbird with a chestnut-coloured patch and a 'harsh scolding' call has been discovered in the Amazon rainforest.
New species of blackbird discovered in the Amazon region. Patchy chestnut feathers, unique 'harsh scolding' call. Found near Rio Tapajos river.