| Book name (en) | A Monograph of the Trochilidae,or Family of Humming-birds |
| Book volume | Vol.3 |
| Identifier | 3-10 |
| Gould Scientific name | Discura longicauda |
| Scientific name | Discosura longicaudus |
| Gould name (en) | Racket-tail |
| Name (en) | Racquet-tailed Coquette |
| Order | APODIFORMES |
| Family | Trochilidae |
