Volumen 37 2021
- Portada / Cover
- Índex / Index
- Portada interior / Inner cover
- García-Barcelona, S. et al. Morphological and genetic analyses reveal the first Mediterranean occurrence of American Herring Gull Larus smithsonianus
- Bracho Estévanez, C.A. Census, spatial distribution, habitat selection and conservation of iconic avian species in a Mediterranean coastal massif: the case of El Garraf Park
- Mañosa, S. et al. Diet of the Golden Eagle Aquila chrysaetos in two areas on the southern slopes of the Catalan Pyrenees
- Guallar, S & Quesada, J. Moulting in the wrong season? A House Sparrow replacing a significant part of its plumage in winter
- García Peiró, I. The size of melanin-based beard ornaments is not related to body condition in the Bearded Reedling Panurus biarmicus
- Menéndez-Blázquez, J. & Barbosa, A. Ornithology in Spain: a descriptive overview based on doctoral theses read in recent decades
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