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Stripe-chested Antwren Myrmotherula longicauda: A foothill relative of the previous, seen nicely
below Cock-of-the-Rock Lodge.
Plain-throated Antwren Myrmotherula hauxwelli: Small numbers of this distinctive antwren were
seen and heard. Of all the Amazonian antwrens, the one that lives closest to the ground.
White-flanked Antwren Myrmotherula axillaris: At Romero this common member of mixed flocks
proved to be one of the birds-of-the-trip with a wing-pumping call display that left us all
very impressed!
Long-winged Antwren Myrmotherula longipennis: Very responsive and excellent views at Amazonía
and elsewhere. A species exhibiting a fair bit of geographic variation, as so often more so
in female than in male plumage. Here the race garbei.
Ihering’s Antwren Myrmotherula iheringi: We all had excellent views of this localized antwren in the
Manu lowlands.
Grey Antwren Myrmotherula menetriesii: We had at least 8 sightings of this drab but common
antwren of mid-levels. Here the nominate race, in males usually showing a variable black
throat patch (unlike e.g. Ecuadorian birds which have no black on the throat).
Banded Antbird (B Antwren) Dichrozona cincta: Another tour highlight was seeing this delicate
understorey antwren perched up on a log at Romero.
Yellow-breasted Antwren Herpsilochmus axillaris: Several of us saw a vocalizing bird in a mixed
flock below Cock-of-the-Rock Lodge.
Dot-winged Antwren Microrhopias quixensis: One of the prettier antwrens, named after the Rio
Quijos in Ecuador. Also this one shows a fair amount of geographical variation, birds in
the Manu region being of the race albicauda.
Striated Antbird Drymophila devillei: A cooperative and very elegant bamboo denizen.
Peruvian Warbling-Antbird Hypocnemis peruviana: This was the white-breasted form seen by most
of us in the forest interior of Manu Wildlife Centre.
Yellow-breasted Warbling-Antbird Hypocnemis subflava: We saw this yellow-bellied species on
several occasions in the Manu lowlands, always in bamboo.
Chestnut-shouldered Antwren Terenura humeralis: Difficult but identifiable canopy views for some
of us at Romero.
Yellow-rumped Antwren Terenura sharpei: Another difficult sighting of a canopy bird only just seen
by a few of us out during siesta time at Cock-of-the-Rock Lodge.
Grey Antbird Cercomacra cinerascens: A bird of mid-storey vine tangles, eventually surrendering at
Romero but only for some. Here the race sclateri, with prominent white wing-covert
spotting.
Riparian Antbird Cercomacra fuscicauda (H): We heard this lowland form on the bamboo trail of
Manu Wildlife Centre; it is often lumped with vocally distinct Andean foothill forms as
Blackish Antbird C. nigrescens.
Black Antbird Cercomacra serva (H): Heard in thickets along the Manu road.
Manu Antbird Cercomacra manu: Good views of this bamboo specialist, a species only recently
described from this area, but now found locally in bamboo in Bolivia and Brazil. This
antbird is one of the 6 obligate bamboo users in southeast Peru, where in total there are
19 species of birds considered to be bamboo-specialists, all varying in their dependence
on bamboo. Many of these have sister taxa in southeast Brazil which are also bamboo
specialists, suggesting that this specialization may have evolved when the two areas were
connected by bamboo during the Miocene. Through satellite imagery we know that in
southeast Peru, bamboo forests cover more than 180,000 sq. km., an area three times the
size of Costa Rica.
White-backed Fire-eye Pyriglena leuconota: We all eventually saw this understorey skulker below
Cock-of-the-Rock Lodge. Here of the race marcapatensis, in the maura subspecies group,
more than one species may be involved.
White-browed Antbird Myrmoborus leucophrys: We all had great looks at this stunning antbird from
the Manu road. Their staccato like song was heard daily in the Manu lowlands.
28 Birdquest: The Manu 20011