Green-bearded Helmetcrest (Oxypogon guerinii) [XC357428]
by Jerome Fischer from Chingaza National Park, Colombia (call)
Green-bearded Helmetcrest (Oxypogon guerinii) [XC37005]
by Oswaldo Cortes from Paramo de Sumapaz, Colombia (call)
Subspecies
Closely related to Oreonympha, Metallura and Chalcostigma. Based on morphological differences, the subspecies could be considered four separate species.
The following 4 subspecies are recognised:
cyanolaemus cyanolaemus - North-eastern Colombia (Santa Marta). Considered by some authors to be a distinct species, Blue-bearded Helmetcrest (Oxypogon cyanolaemus).
lindenii (Parzudaki, 1845) - Andes of north-western Venezuela (Mérida, Trujillo). Considered by some authors to be a distinct species, White-bearded Helmetcrest (Oxypogon lindenii).
guerinii (Boissonneau, 1840) - Eastern Andes of Colombia (south to Cundinamarca).
stuebelii A. B. Meyer, 1884 - Central Colombia (Nevado del Ruiz). Considered by some authors to be a distinct species, Buffy Helmetcrest (Oxypogon stuebelii).