Undulated Antpitta

Grallaria squamigera

The Undulated Antpitta (*Grallaria squamigera*) is a large, terrestrial member of the antpitta family, Grallariidae, renowned for its secretive nature and powerful voice. Measuring approximately 20-22 cm (8-8.7 inches) in length and weighing 80-110 grams, it presents a robust appearance. Its dorsal plumage is a rich, uniform brown, contrasting with distinctive underparts that are heavily marked with dusky or blackish scaling or "undulations" against a whitish to buffy background, giving rise ...

Habitat

This antpitta predominantly inhabits humid, moss-laden montane cloud forests and temperate evergreen forests, often favoring areas with dense undergrowth and steep slopes or ravines. It is typically found at elevations ranging from 2,000 to 3,500 meters above sea level.

Diet

Its diet consists mainly of various invertebrates such as beetles, spiders, crickets, millipedes, and earthworms, supplemented occasionally by small vertebrates like frogs or lizards. It primarily forages by gleaning and probing the leaf litter on the forest floor.

Behavior

The Undulated Antpitta is a highly terrestrial and exceptionally secretive bird, spending nearly all its time on the forest floor, moving with long, powerful hops through dense understory. It is primarily diurnal, though its peak vocal activity often occurs at dawn and dusk. Foraging involves met...

Range

The Undulated Antpitta is a resident species found exclusively along the Andean mountain chain in South America. Its range extends discontinuously from western Venezuela through the Andes of Colombia, Ecuador, and Peru, south into Bolivia. Two recognized subspecies inhabit distinct parts of this ...

Conservation Status

Least Concern

Fun Facts

- The Undulated Antpitta's scientific name, *Grallaria squamigera*, directly translates to "scale-bearing," a nod to the distinctive scaled pattern on its underparts. - Despite its relatively large size, this antpitta is famously difficult to observe, often remaining hidden in dense undergrowth e...

Back to Encyclopedia