Slaty-headed Longbill (Toxorhamphus poliopterus) [XC23998]
by Daniel Lopez Velasco from 1 km N 'Warili Lodge', below Tari Gap, Southern Highlands, Papua New Guinea (song)
Slaty-headed Longbill (Toxorhamphus poliopterus) [XC501751]
by Todd Mark from West Papua - road to Mt Habbema c2800-3200m, Indonesia (call)
Subspecies
Forms a species pair with Yellow-bellied Longbill (Toxorhamphus novaeguineae), the two replacing each other altitudinally, with only marginal overlap. Proposed subspecies septentrionalis (described from Huon Peninsula) included within nominate.
The following 2 subspecies are recognised:
maximus (Sharpe, 1883) - Mountains of western and central New Guinea
(northern slope of Weyland Mts and Snow Mts).
poliopterus (Sharpe, 1883) - Mountains of eastern and south-eastern New
Guinea, including Central Highlands, Mt Bosavi, Adelbert Mts, and
Saruwaged Mts (in Huon Peninsula).