[1]
Gjershaug, J.O., Diserud, O.H., Rasmussen, P.C. and Warakagoda, D. 2008. An overlooked threatened species of eagle: Legge’s Hawk Eagle Nisaetus kelaarti (Aves: Accipitriformes). Zootaxa. 1792, 1 (Jun. 2008), 54–66. DOI:https://doi.org/10.11646/zootaxa.1792.1.4.