Grey-Headed Fish Eagle
(Diều cá đầu xám, Icthyophaga ichthyaetus)

The grey-headed fish eagle is a fish-eating bird of prey from South East Asia of the family Accipitridae.

Accipitridae from Latin accipiter/accipitri- "hawk".
Ichthyophaga Greek ikhthuophagos fish-eating (ikhthus: fish; -phagos -eating;  phagein to eat or "devour").
ichthyaetus: Greek: ikhthus fish; aetos eagle.