Birds

MacGillivray's Prion

MacGillivray's Prion

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Macgillivray's Prion is a rare prion, often considered a subspecies of Salvin's Prion, breeding exclusively on a single island in the South Atlantic. It shares the blue-grey plumage common to prions.
Where to spot
Breeds exclusively on Gough Island in the South Atlantic Ocean. Forages in the surrounding cool temperate and sub-Antarctic waters.
How to spot
Similar in appearance to Salvin's Prion, with blue-grey upperparts and white underparts. Identification typically relies on geographic location near Gough Island and subtle differences in bill structure. Requires specialized pelagic trips to the Gough Island region.
When to spot
Breeding occurs during the austral summer (September-April). At-sea observations are rare and highly localized around Gough Island.
This prion has an extremely restricted breeding range, confined to tiny Gough Island in the South Atlantic, making it highly vulnerable to environmental changes and introduced predators.
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