Osprey (Palau)

Pandion haliaetus




Osprey (Pandionidae)

Code 4


Code 6



Egg Color:

Pink or white marked with brown and olive.

Number of Eggs:


Incubation Days:

35 - 40

Egg Incubator:

Both sexes

Nest Location:

Up to 200 feet above ground, in dead trees.

Nest Material:

Sticks, sod, cow dung, seaweed, rubbish.





Osprey (Palau): This large raptor has dark brown upperparts, white underparts, faint breast band, small white head with dark crown, eye stripe and bill, gray legs and feet. WingsÊheld at a distinct angle in flight, under wing showing barred flight feathers and diagnostic dark patches on the fore wing. Soars on thermals, deep slow wing beats alternating with glides. Feeds mainly on fish. Sexes similar.

Breeding and Nesting

Osprey (Palau): Three pink or white eggs marked with olive and brown are laid in a bulky nest made of sticks and lined with bark, sod, grasses, vines, algae or flotsam and jetsam. Nests are usually built on snags, treetops, or crotches between large branches and trunks. They sometimes nest in loose colonies. Incubation ranges from 35 to 40 days and is carried out by both parents.

Foraging and Feeding

Osprey (Palau): They feed exclusively on fish, usually twice daily. They forage by flying over water, hovering once prey is spotted, then diving into the water feet-first to grasp prey; sometimes they lay on the water and rest. They forage along coasts in salt-water marshes, lagoons and ponds, estuaries, silted river mouths and coral reefs. Ospreys do not cache food.


Osprey (Palau): Species has eight vocalizations, though these are usually only produced near nesting sites. This bird is relatively silent elsewhere. Alarm call is a descending "tooup, tooup, tooup."


Belly, undertail coverts, chest, flanks, and foreneck.

Back, rump, hindneck, wings, and crown.
The upper front part of a bird.
The crown is the top part of the birds head.
Flight feathersX
Located on the wing, and collectively called remiges (singular, remex). The long stiff feathers are subdivided into two major groups based on the location and are called primaries and secondaries.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X