Passeriformes
Macrosphenidés
Achaetops
pycnopygius
Rockrunner (Achaetops pycnopygius) is a species of bird in the Macrosphenidae family.
Grassland : Subtropical/Tropical High Altitude ; Wetlands (inland) : Seasonal/Intermittent/Irregular Rivers/Streams/Creeks ; Rocky areas (eg. inland cliffs, mountain peaks) :