| Book name (en) | A Monograph of the Trochilidae,or Family of Humming-birds |
| Book volume | Vol.2 |
| Identifier | 2-29 |
| Gould Scientific name | Oreotrochilus estella |
| Scientific name | Oreotrochilus estella |
| Gould name (en) | Estella's Hill-star |
| Name (en) | Andean Hillstar |
| Order | APODIFORMES |
| Family | Trochilidae |
