| Book name (en) | A Monograph of the Trochilidae,or Family of Humming-birds |
| Book volume | Vol.2 |
| Identifier | 2-45 |
| Gould Scientific name | Lafresnaya gayi |
| Scientific name | Lafresnaya lafresnayi |
| Gould name (en) | White-tailed Velvet-breasted |
| Name (en) | Mountain Velvetbreast |
| Order | APODIFORMES |
| Family | Trochilidae |
