The term 'TINY Warbler' can be broken down into two crossword solutions: WREN (4 letters) and TINY (5 letters). The WREN is a small, brown bird that is found in many parts of the world. It is known for its loud, high-pitched song. The TINY part of the term refers to the size of the bird, which is usually between 4 and 5 inches in length. Together, these two words form the term 'TINY Warbler, ' which is used to describe a small bird with a loud, high-pitched song.