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Haliaeetus is a genus of four species of eagles, closely related to the sea eagles in the genus Ichthyophaga.

1/ Pallas's fish eagle (Đại bàng biển đuôi trắng, Haliaeetus leucoryphus), also known as Pallas's sea eagle or band-tailed fish eagle

Accipitriformes, Accipitridae:
Accipitridae from Latin accipiter/accipitri- "hawk".
accipitrinus Latin accipitrinus hawk-like (accipiter: hawk).
The genus name is from Latin haliaetus or haliaetos meaning "sea-eagle" or "osprey".

Pallas's fish eagle (Đại bàng biển đuôi trắng, Haliaeetus leucoryphus),
also known as Pallas's sea eagle or band-tailed fish eagle

Pallas's fish eagle (Haliaeetus leucoryphus) is a large, brownish sea eagle of the family Accipitridae. 
A sea eagle or fish eagle (also called erne or ern) is any of the birds of prey belonging to the subfamily Haliaeetinae

Accipitriformes, Accipitridae:
Accipitridae from Latin accipiter/accipitri- "hawk".
accipitrinus Latin accipitrinus hawk-like (accipiter: hawk).
The genus name is from Latin haliaetus or haliaetos meaning "sea-eagle" or "osprey": The name Haliaeetus is Neo-Latin for "sea-eagle", from Ancient Greek hali-, "sea-" and aetos, "eagle". 

leucoryphus: Derived from the Ancient Greek leukos (λευκός), meaning "white," and koruphos (κορυφή/κορυφός), meaning "crowned" or "head", meaning: "White-crowned" or "White-headed," referring to the pale plumage on the head of the adult bird.

White-tailed eagle (Haliaeetus albicilla), sometimes known as the "sea eagle"

The white-tailed eagle (Haliaeetus albicilla) is a large bird of prey, widely distributed across temperate Eurasia.
This bird breeds from as far west as Greenland and Iceland to as far east as Hokkaido, Japan.

Accipitriformes, Accipitridae:
Accipitridae from Latin accipiter/accipitri- "hawk".
accipitrinus Latin accipitrinus hawk-like (accipiter: hawk).
The genus name is from Latin haliaetus or haliaetos meaning "sea-eagle" or "osprey".
The name Haliaeetus is Neo-Latin for "sea-eagle", from Ancient Greek hali-, "sea-" and aetos, "eagle". 
The specific albicilla, "white-tailed", is from Neo-Latin albi-, "white" and cilla, "tail".