Table 1. Reports of strandings (Strand.) and live sightings (Sight.) of True’s beaked whales in the Azores and the Canary Islands (CI) with information on location, date, number of whales (No) and certainty on the identification (“sure”, achieved using molecular genetic markers (G) or morphology (M), or “possible”).

Sightings classified as “possible” may be of True’s or Gervais‘ beaked whales. One sighting (#8 is probably of Gervais’ beaked whales). The entities that gathered the reports were: SECAC, Society for the Study of Cetaceans in the Canary Islands Archipelago; WW Azores, Whale watch Azores; UA, University of the Azores; ULL, University of La Laguna; CW, Azores whale watch; Master Mind educational program; Futurismo whale watch; Espaço Talassa whale watch.

Report	Location	Date (entity)	Lat, N	Lon, W	Depth	No	Behaviour	Certainty
1. Strand.	Lanzarote, CI	23/03/1984 (SECAC)	28.984	13.5	–	1	Stranded	Sure (M)
2. Sight.	Pico, Azores	07/09/1994 (WW Azores )	38.36	28.3767	1,200	3	Travelling	Possible (M)
3. Strand.	Fuerteventura, CI	06/06/2004 (SECAC)	28.1336	14.24	–	1	Stranded	Sure (M)
4. Strand.	Faial, Azores	11/07/2004 (UA)	38.47	28.64	–	1	Drifting dead	Sure (G)
5. Sight.	Lanzarote, CI	29/09/2009 (SECAC)	28.8346	13.5915	1,100	4	Travelling	Sure (M)
6. Strand	El Hierro, CI	30/11/2012 (ULL)	27.268	17.914	–	1	Stranded	Sure (G)
7. Sight.	Pico, Azores	31/07/2010 (CW Azores)	38.3396	28.3573	1,300	3	Breaching	Sure (M)
8. Sight.a	Pico, Azores	05/05/2013 (MasterMind)	38.28	28.341	1,600	3	Milling	Sure (M)
9. Sight.	Offshore. CI	27/09/2013 (ULL)	28.31	14.99	2,500	2	Breaching	Probable M. europaeus (M)
10. Sight. b	S. Miguel, Azores	22/05/2015 (Futurismo)	37.6386	25.5101	600	2	Travelling	Sure (M)
11. Sight.	Offshore. CI	11/07/2015 (ULL)	28.4503	14.7048	2,500	2	Breaching	Possible (M)
12. Sight.	Pico, Azores	10/08/2016 (EspaçoTalassa)	38.3242	28.3517	1,250	2	Travelling	Sure (M)

Notes.

^aSighting with underwater video.

^bSighting with small calf.