The nest of Buff-throated Purpletuft Iodopleura pipra leucopygia

Collected in Alagoas, north-east Brazil, in 1984, the sole nest of Iodopleura pipra leucopygia (Buff-throated Purpletuft) was not described at the time due to its being misidentified as belonging to White-browed Purpletuft I. isabellae. However, it was collected and deposited at the Museu Nacional, Universidade Federal do Rio de Janeiro, and its measurements and construction materials are described here. For the first time, the use of spider webs in the nest of Buff-throated Purpletuft I. pipra is indicated, and comparison with the few available descriptions of nests of congeners reveals that only this species is currently known to use lichens and bryophytes. The nest description presented here is the most detailed for any species of the genus Iodopleura.