CONSUMPTION OF THE LICHEN ROCCELLA GRACILIS BY THE LARGE GROUND-FINCH GEOSPIZA MAGNIROSTRIS ON THE ISLAND OF DAPHNE MAJOR (GALÁPAGOS)
DOI:
https://doi.org/10.58843/ornneo.v34i1.1161Keywords:
Diet, Island ecology, Niche widening, Passerines, Trophic interactionAbstract
This note reports a trophic interaction of a passerine consuming lichens. On the islet of Daphne Major (Galápagos Archipelago), we made five observations of the Large Ground-Finch Geospiza magnirostris eating the fruticose lichen Roccella gracilis. This is an example of how island birds broaden their feeding niche in resource-poor environments.
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Copyright (c) 2023 Manuel Nogales, Sandra Hervías-Parejo
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