It is an extinct species of Asian thrush .
The Bonin thrush , Bonin Islands thrush or Kittlitz 's thrush ( Zoothera terrestris ) is sometimes separated as the only species of the genus Cichlopasser .
Bonin thrush is an extinct Zoothera terrestris of Asian thrush .
The Bonin thrush , Bonin Islands thrush or Kittlitz 's thrush ( Zoothera terrestris ) is sometimes separated as the only species of the genus Cichlopasser .