Malpica, Cristina, Cristina Sainz-Borgo, Mariana Ayala, and Miguel Lentino. “Annual Cycles of Hummingbirds (Aves: Trochilidae) at a Humid Forest, Henri Pittier National Park, Venezuela”. Revista de Biología Tropical 68, no. 1 (March 31, 2020): 260–275. Accessed May 5, 2024. https://revistas.ucr.ac.cr/index.php/rbt/article/view/32448.