Green-bearded Helmetcrest (Oxypogon guerinii) [XC693731]
by Diana Carolina Macana from PNN Sumap\u00e1z, laguna de Chisac\u00e1, Colombia (call)
Green-bearded Helmetcrest (Oxypogon guerinii) [XC383422]
by id from P\u00e1ramo de Siscuns\u00ed, Sogamoso, Boyac\u00e1, 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).