Behaviour 2017 is a joint meeting of the 35th International Ethological Conference (IEC) and the 2017 Summer Meeting of the Association for the Study of Animal Behaviour (ASAB), that will bring together researchers and students from all fields of behaviour science. This exciting multidisciplinary meeting will be held in the Lisbon area, close to important international research centres, between July 30th and August 4th 2017. The venue, the Estoril Congress Centre, boasts a privileged location on the Cascais coast, 25 km away from the Lisbon airport, with plenty of accommodation in a relaxed environment, and it is right next to the famous Casino with its surrounding gardens. Besides the prestigious invited speakers and a full scientific program, participants will be able to enjoy numerous cultural and leisure options The *call for abstracts is now open *(http://behaviour2017.org/ call-for-abstracts/) *Early-bird registrations* for the meeting will go until February 28th. For more information visit the website: http://behaviour2017.org/ We are looking forward to receive your submissions and hope to see many MARMAMers in Estoril next Summer! If you are interested in sponsorship, exhibiting or advertising, please contact us at behaviour2017@ispa.pt On behalf of the organising committee, Patricia Rachinas-Lopes