| Book name (en) | A Monograph of the Trochilidae,or Family of Humming-birds |
| Book volume | Supplement |
| Identifier | suppl-25 |
| Gould Scientific name | Eustephanus leyboldi |
| Scientific name | Sephanoides fernandensis |
| Gould name (en) | Leybold's Firecrown |
| Name (en) | Juan Fernandez Firecrown |
| Order | APODIFORMES |
| Family | Trochilidae |
