Tracklist
| Blue Bird (Original Mix) | 4:09 |
| Beautiful Fighters (Original Mix) | 5:16 |
| Ladies Night ~Another Night~ | 4:03 |
| Blue Bird (Harderground Remix) | 6:24 |
| Blue Bird (Original Mix -Instrumental-) | 4:09 |
| Beautiful Fighters (Original Mix -Instrumental-) | 5:15 |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| AVCD-31053 | Ayumi Hamasaki | Blue Bird (CD, Maxi) | Avex Trax | AVCD-31053 | Japan | 2006 |
| AVCD-31051/B | Ayumi Hamasaki | Blue Bird (CD, Maxi + DVD-V) | Avex Trax | AVCD-31051/B | Japan | 2006 |
| AVTCDS-451 | Ayumi Hamasaki | Blue Bird (CD, Maxi + DVD-V) | Avex Trax | AVTCDS-451 | Hong Kong | 2006 |
| AVCD-31052/B | Ayumi Hamasaki | Blue Bird (CD, Maxi + DVD-V) | Avex Trax | AVCD-31052/B | Japan | 2006 |
| AVTCDS-453 | Ayumi Hamasaki | Blue Bird (CD, Maxi + DVD-V) | Avex Trax | AVTCDS-453 | Hong Kong | 2006 |
