Notas sobre la anidación del tororoi bigotudo (Grallaria alleni) en la cordillera Central de Colombia: Notes on the nesting of the Moustached Antpitta (Grallaria alleni)  in the Central Andes of Colombia

Gustavo Adolfo  Londoño; Carlos A.  Saavedra-R.; Daniel  Osorio; Jesús  Martínez

doi:10.59517/oc.e29

Authors

Gustavo Adolfo Londoño Fundación EcoAndina/Programa de Colombia de Wildlife Conservation Society
Carlos A. Saavedra-R. Fundación EcoAndina/Programa de Colombia de Wildlife Conservation Society
Daniel Osorio Fundación EcoAndina/Programa de Colombia de Wildlife Conservation Society
Jesús Martínez Fundación EcoAndina/Programa de Colombia de Wildlife Conservation Society

DOI:

https://doi.org/10.59517/oc.e29

Keywords:

Grallaria alleni, incubation, juvenile, Moustached, Antpitta, nest microclimate

Abstract

We studied several aspects of the nesting of the Moustached Antpitta (Grallaria alleni), an endangered species in Colombia due to the destruction of Andean forests. The nest is cup-shaped, similar in form to those reported for other members of the genus; the clutch is two greenish-blue eggs, for which we present the first recorded weights. We measured the nest microclimate during five days; data on incubation sessions and the value for constancy of incubation indicate that both adults share this task. The apparent preference of the species for nesting near streams may reflect the more stable microclimate these provide. We also describe a juvenile, with a photograph.

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