AVALOS, G.; SOTO, A.; ALFARO, W. Effect of artificial feeders on pollen loads of the hummingbirds of Cerro de La Muerte, Costa Rica. Revista de Biología Tropical, [S. l.], v. 60, n. 1, p. 65–73, 2012. DOI: 10.15517/rbt.v60i1.2362. Disponível em: https://revistas.ucr.ac.cr/index.php/rbt/article/view/2362. Acesso em: 18 dec. 2024.