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A photo of a Western Osprey (Pandion haliaetus)
Western Osprey

Western Osprey

Pandion haliaetus

The osprey, known by various monikers such as sea hawk, river hawk, and fish hawk, is a diurnal raptor with a cosmopolitan range. This large bird of prey boasts a length exceeding 60 cm (24 in) and a wingspan reaching 180 cm (71 in). Its upperparts are cloaked in a rich brown, while its head and underparts are adorned with a more subdued greyish hue.

Identification Tips

When identifying an osprey, look for its distinctive white head marked with a dark eye mask that extends to the neck's sides. Its eyes are a captivating golden to brown, and its bill is a stark black tipped with a blue cere. The osprey's feet are an intriguing white, contrasted with black talons. In flight, its long, narrow wings with finger-like feathers and a shorter fifth feather give it a unique silhouette.

Habitat

The osprey is quite adaptable, making its home in a variety of habitats as long as they are in proximity to water bodies that can provide an ample supply of fish.

Distribution

This raptor graces all continents with its presence, save for the icy expanse of Antarctica. In South America, it is seen only as a non-breeding migrant.

Behaviour

Ospreys are known for their remarkable fishing prowess, diving into water bodies to catch their prey with their reversible outer toes and barbed talons. They are also known to be monogamous, often mating for life.

Song & Calls

The osprey's vocalizations consist of a series of sharp whistles, often described as "cheep, cheep" or "yewk, yewk." When its nest is threatened, it may emit a frantic "cheereek!"

Breeding

Ospreys typically breed near freshwater or brackish waters. They construct large nests made of sticks and other materials, where they lay two to four eggs. The eggs are incubated for about 35–43 days before hatching.

Similar Species

The osprey is unique in its family, Pandionidae, and thus has no very close similar species. However, its size and shape may sometimes be confused with various members of the Buteo or Falco genera from a distance.

Diet and Feeding

The osprey's diet is almost exclusively composed of fish, which it catches with a spectacular plunge-dive. It has keen eyesight adapted for detecting underwater prey from above the surface.

Conservation Status

The osprey is currently listed as Least Concern by the IUCN, with a large and stable global population. However, regional declines have been noted in some areas, such as South Australia.

Western Osprey Sounds


Recorded by: © 
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Western Osprey Fun Facts

Did you know?
Western Ospreys can close their nostrils in order to keep water out when they dive to catch fish.

Western Ospreys on Birda

Sightings

More Ospreys

A photo of a Eastern Osprey (Pandion cristatus)

Eastern Osprey

Pandion cristatus
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