White-tipped Sicklebill (Eutoxeres aquila) [XC260458]
by Jonas Nilsson from Napo: Narupa, Ecuador (song)
White-tipped Sicklebill (Eutoxeres aquila) [XC238260]
by Nick Athanas from Napo: km 3 Narupa-Loreto road, Ecuador (song)
Subspecies
Populations of eastern Panama and western Colombia sometimes separated as subspecies munda, but morphological differences are based on a zone of character introgression between subspecies salvini and heterura.
The following 3 subspecies are recognised:
salvini Gould, 1868 - Costa Rica to western Colombia.
heterurus Gould, 1868 - Western Andes from south-western Colombia to western Ecuador.
aquila (Bourcier, 1847) - Eastern Andes from Colombia to northern Peru.