How to tell two birds apart?. Mariya’s Demo Journal of Advanced Birdwatching, [S. l.], v. 1, n. 1, 2026. DOI: 10.123456/qnvbb806. Disponível em: https://ojs35.workshop.publicknowledgeproject.org/index.php/mariyatest/article/view/395. Acesso em: 4 aug. 2026.