- https://www.periodicodaily.com/anche-gli-animali-ammessi-a-visita-parenti-in-ospedale/?fbclid=IwAR32PLZn_CnS7325elIIf6bJRhlKfuwvvZAE9yrwp19zaD7NApFriTj4-I0
- https://rivistanatura.com/la-mattanza-dei-delfini-francesi/?fbclid=IwAR0GrVKRBXCF6FIu-dqa8TctO2BGLOnVOlCSEHRp99D4-47NyUW2-Qln9bw