Large raptors which catch fish and are therefore associated with water. They have long, broad wings which enable them to carry even heavy fish. Their lower legs are unfeathered.
Fish are caught by plunge-diving into water or surface-feeding. Osprey and African fish-eagle are part of theis group.

Haliaetus = from greek 'halieos' = 'fisherman' and 'aetos' = 'eagle'
vocifer = refers to its loud, carrying call

Their wings are long and broad and they soar well. They have shorter tails than most eagles. The underfoot has scales modified info spikes or spicules for holding on to slippery fish prey that is captured with a swoop along the water surface or occasionally by plunge-diving. They will also eat waterbirds and may even scavenge.
They maintain long-time pair bonds in which duetting is common. Branches for the nest are broken off trees with the feet, while smaller items are carried in the bill.

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