Family Gnatcatchers (Polioptilidae)

Critically Endangered

Iquitos Gnatcatcher (Polioptila clementsi)

Following the taxonomy applied to HBW Alive, derived from the HBW and BirdLife International Illustrated Checklist of the Birds of the World, this taxon is now lumped within Guianan Gnatcatcher (Polioptila guianensis).


French: Gobemoucheron de Clements German: Iquitosmückenfänger Spanish: Perlita de Iquitos

Polioptila clementsi

Whitney and Álvarez

, 2005,

Allpahuayo-Mishana Reserved Zone, 03° 55’ S, 73° 29’ W, south bank of River Nanay, c. 25 km WSW of Iquitos, Loreto, Peru


Part of a group that also contains P. guianensis, P. facilis and P. paraensis, which is probably sister-group to P. schistaceigula. Monotypic.


Iquitos region (NC Loreto), in Amazon Basin of NE Peru.

Descriptive notes

11 cm; 5–6 g. Adult male and female not definitely described, as all specimens collected to date showed incomplete ossification of skull, though some apparently adult... read more


Song a distinctly two-part series, initial 3 notes high (maximum frequency c. 8 kHz), sharp (... read more


Tall, humid varillal forest dominated by Catalpa, canopy height variable, 15... read more

Food and feeding

Stomach contents of one specimen included insect fragments and small, white arthropod eggs. Actively forages in canopy and subcanopy (upper... read more


Specimens in mid-Dec and early Apr probably juveniles on basis of unossified skulls; one in mid-Dec thought to have been giving food-... read more



Status and conservation

CRITICALLY ENDANGERED. Poorly known; apparently rare and local. Patchy in distribution, and sometimes absent from apparently suitable habitat contiguous with active... read more

Recommended citation

Atwood, J., Lerman, S., de Juana, E. & Sharpe, C.J. (2020). Iquitos Gnatcatcher (Polioptila clementsi). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 29 January 2020).