| What is speciesism? O Horta Journal of agricultural and environmental ethics 23 (3), 243-266, 2010 | 84 | 2010 |
| Debunking the idyllic view of natural processes: Population dynamics and suffering in the wild O Horta Télos 17 (1), 73-88, 2010 | 61 | 2010 |
| Zoopolis, interventions and the State of Nature O Horta Law, Ethics and Philosophy 1, 113-125, 2013 | 47 | 2013 |
| The ethics of the ecology of fear against the nonspeciesist paradigm: A shift in the aims of intervention in nature O Horta Between the Species 13 (10), 10, 2010 | 45 | 2010 |
| The scope of the argument from species overlap O Horta Journal of Applied Philosophy 31 (2), 142-154, 2014 | 28 | 2014 |
| El cuestionamiento del antropocentrismo: distintos enfoques normativos Ó Horta Revista de bioética y derecho, 36-39, 2009 | 23 | 2009 |
| Términos básicos para el análisis del especismo Ó Horta internet: http://www. igualdadanimal. org/articulos/oscar-horta/terminos …, 2008 | 20 | 2008 |
| Animal ethics goes wild: the problem of wild animal suffering and intervention in nature C Faria Universitat Pompeu Fabra, 2016 | 17 | 2016 |
| Tomándonos en serio la consideración moral de los animales: más allá del especismo y el ecologismo O Horta Animales no humanos entre animales humanos, 191-226, 2012 | 16 | 2012 |
| Disvalue in nature and intervention O Horta Pensata Animal 34, 1-5, 2010 | 15 | 2010 |
| The problem of evil in nature: Evolutionary bases of the prevalence of disvalue O Horta Rel.: Beyond Anthropocentrism 3, 17, 2015 | 14 | 2015 |
| Discrimination in terms of moral exclusion O Horta Theoria 76 (4), 314-332, 2010 | 12 | 2010 |
| Expanding global justice: The case for the international protection of animals O Horta Global policy 4 (4), 371-380, 2013 | 11 | 2013 |
| The hegemony of global politics: news coverage of climate change in a small country A Horta, A Carvalho, L Schmidt Society & natural resources 30 (10), 1246-1260, 2017 | 9 | 2017 |
| Un paso adelante en defensa de los animales O Horta Plaza y Valdés editores, 2017 | 7 | 2017 |
| El antropocentrismo y el argumento de los vínculos emocionales O Horta Dilemata, 2009 | 7 | 2009 |
| Cambio de paradigma: un análisis bibliográfico de la literatura reciente en ética animal D Dorado, ÓH Álvarez Dilemata, 103-112, 2014 | 6 | 2014 |
| Igualitarismo, igualación a la baja, antropocentrismo y valor de la vida (Egalitarianism, levelling down, anthropocentrism and the value of life) O Horta Revista de filosofía 35 (1), 133, 2010 | 6 | 2010 |
| Animal suffering in nature: The case for intervention O Horta Environmental Ethics 39 (3), 261-279, 2017 | 5 | 2017 |
| La cuestión del mal natural: bases evolutivas de la prevalencia del desvalor O Horta Universidade de Santiago de Compostela. Servizo de Publicacións e …, 2011 | 5 | 2011 |