Funding for this research was provided by:
Fondo de Investigación Pesquera y de Acuicultura (FIP 2018-54)
Received: 10 November 2020
Accepted: 23 April 2021
First Online: 6 May 2021
: Fieldtrip data collection was performed according to current Chilean regulations of the Subsecretaría de Pesca, Ministerio de Economía, Fomento y Turismo (Supreme Decree N° 38/2011 “Reglamento General de observación de mamíferos, reptiles y aves hidrobiológicas y del registro de avistamiento de cetáceos). The graphic records taken by aircraft, small-vessel and drone were non-invasive.
: Not applicable.
: The authors declare that they have no competing interests.