Resumen de Fern feeding ecology of the Azores bullfinch "Pyrrhula murina": the selection of fern species and the influence of nutritional composition in fern choice

M.L. Arosa, J.A. Ramos, T. Valkenburg, Ricardo Ceia, H. Laborda, Luis G. Quintanilla, Rúben Heleno

• Ferns are an important component of many ecosystems and potentially provide an abundant food resource for consumers, but there are very few studies on the ecology of fern feeding by vertebrates. We describe the selection of sporangia and leaves among fern species by the Azores bullfinch (Pyrrhula murina), and addressed the importance of nutritional composition in fern choice