Malpica, Cristina, Cristina Sainz-Borgo, Mariana Ayala, and Miguel Lentino. 2020. “Annual Cycles of Hummingbirds (Aves: Trochilidae) at a Humid Forest, Henri Pittier National Park, Venezuela”. Revista De Biología Tropical 68 (1):260–275. https://doi.org/10.15517/rbt.v68i1.32448.