Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (301517/2006-1)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Does not apply)
Fundação de Amparo à Pesquisa do Estado de São Paulo (2016/20956-0, 301517/2006-1, 2018/25069-7)
Coastal Monitoring Program – Santos Basin (Does not apply)
Received: 20 November 2019
Accepted: 10 May 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: The samples used in this study were collected in full compliance with an specific federal permit issued by the Brazilian Ministry of Environment and approved by the Brazilian Institute of Environment and Renewable Natural Resources – IBAMA (ABIO 640/2015). Because this study involved dead birds, it did not require official or institutional ethical approval.
: Not applicable.
: The authors declare that they have no competing interests.