| Do changes in climate patterns in wintering areas affect the timing of the spring arrival of trans‐Saharan migrant birds? O Gordo, L Brotons, X Ferrer, P Comas Global change biology 11 (1), 12-21, 2005 | 223 | 2005 |
| Atlas dels ocells nidificants de Catalunya i Andorra J Muntaner, X Ferrer, A Martínez-Vilalta Ketres, 1983 | 196 | 1983 |
| Historia Natural dels Països Catalans. Vol 12: Ocells X Ferrer, A Martínez-Vilalta, J Muntaner Enciclopèdia Catalana Barcelona, 1986 | 98* | 1986 |
| European Atlantic: the hottest oil spill hotspot worldwide DR Vieites, S Nieto-Román, A Palanca, X Ferrer, M Vences Naturwissenschaften 91 (11), 535-538, 2004 | 75 | 2004 |
| Habitat use by loggerhead sea turtles Caretta caretta off the coast of eastern Spain results in a high vulnerability to neritic fishing gear L Cardona, M Revelles, ML Parga, J Tomás, A Aguilar, F Alegre, A Raga, ... Marine Biology 156 (12), 2621-2630, 2009 | 50 | 2009 |
| Living on predictability: modelling the density distribution of efficient foraging seabirds A Cama, R Abellana, I Christel, X Ferrer, DR Vieites Ecography 35 (10), 912-921, 2012 | 43 | 2012 |
| Foraging movements of Audouin’s gull (Larus audouinii) in the Ebro Delta, NW Mediterranean: a preliminary satellite-tracking study I Christel, J Navarro, M del Castillo, A Cama, X Ferrer Estuarine, Coastal and Shelf Science 96, 257-261, 2012 | 32 | 2012 |
| Changes in the breeding range of starlings in the Iberian Peninsula during the last 30 years: competition as a limiting factor X Ferrer, A Motis, SJ Peris Journal of Biogeography, 631-636, 1991 | 30 | 1991 |
| Respuesta de los patos invernantes en España a diferentes condiciones ambientales JA Amat, X Ferrer Ardeola 35 (1), 59-70, 1988 | 30 | 1988 |
| Distribució i ecologia dels macròfits submergits del delta de l'Ebre X Ferrer, C F. Butlletí de la Institució Catalana d'Història Natural, 1999 | 28* | 1999 |
| The effects of mowing and agricultural landscape management on population movements of the common quail JD Rodríguez‐Teijeiro, F Sardà‐Palomera, J Nadal, X Ferrer, C Ponz, ... Journal of Biogeography 36 (10), 1891-1898, 2009 | 27 | 2009 |
| Bias in avian sampling effort due to human preferences: an analysis with Catalonian birds (1900–2002) X Ferrer, LM Carrascal, O Gordo, J Pino Ardeola 53 (2), 213-227, 2006 | 26 | 2006 |
| Development of an urban bird indicator: using data from monitoring schemes in two large european cities S Herrando, A Weiserbs, J Quesada Lara, X Ferrer i Parareda, JI Paquet Animal Biodiversity and Conservation, 2012, vol. 35, num. 1, p. 141-150, 2012 | 25 | 2012 |
| Invernada de láridos en el litoral mediterráneo catalán y levantino E Carrera, X Ferrer, A Martínez, J Muntaner Ardeola 28, 35-50, 1981 | 22 | 1981 |
| Nombres en castellano de las aves del mundo recomendados por la Sociedad Española de Ornitología E De Juana, J Del Hoyo, M Fernández-Cruz, X Ferrer, R Sáez-Royuela, ... Ardeola 59 (1), 157-165, 2012 | 19* | 2012 |
| Introducció ornitològica al delta de l’Ebre X Ferrer Sistemes Naturals del Delta de l’Ebre. Treb. Inst. Cat. Hist. Nat 8, 227-302, 1977 | 19 | 1977 |
| Nombres en castellano de las aves del mundo recomendados por la Sociedad Española de Ornitología (Primera parte: Struthioniformes-Anseriformes) F Bernis, E De Juana, J Del Hoyo, X Ferrer, MF Cruz, R Sáez-Royuela, ... Ardeola 41 (1), 79-89, 1994 | 17 | 1994 |
| Les llacunes litorals FA Comín, X Ferrer Quad. Ecol. Apl 4 (5), 1, 1979 | 16 | 1979 |
| Desarrollo masivo del fitoflagelado Prymnesium parvum CARTER (Haptophyceae) en una laguna costera del delta del Ebro X Ferrer, FA Comín | 16* | 1978 |
| Nombres en castellano de las aves del mundo recomendados por la Sociedad Española de Ornitología F Bernis, E De Juana, J del Hoyo, M Fernández-Cruz, X Ferrer, ... Ardeola 41 (1), 78-89, 1994 | 15 | 1994 |
