| Book name (en) | A Monograph of the Trochilidae,or Family of Humming-birds |
| Book volume | Supplement |
| Identifier | Suppl-7 |
| Gould Scientific name | Oreopyra cinereicauda |
| Scientific name | Lampornis cinereicauda |
| Gould name (en) | Grey-tailed Humming-bird |
| Name (en) | Grey-tailed Mountaingem |
| Order | APODIFORMES |
| Family | Trochilidae |
