Also known as Slender-billed Prion, Thin-billed Prion
Latin name: Pachyptila belcheri
Population: The Narrow-Billed Prion has a large global population estimated to be 7,000,000 individuals.
Cites classified: Least Concern (IUCN, 2008)
Where found: The Narrow-Billed PrionĀ breeds in burrows on the Falkland Islands, on some islands off southern Chile, on Iles Crozet and Kerguelen, and possibly on Macquarie Island and South Georgia.
Wingspan: 56 cm
Length: 25-26 cm
Weight: 115-180 g
Mating/Breeding: The Narrow-Billed Prions probably form long-lasting pair-bonds. They lay one egg in November. The egg is incubated for 46-47 days. Both sexes take full share of all parental duties.
Eggs: White.
Hibernation: Dispersing north to Java, West Australia, New Zealand, South Africa, Peru and Brazil.
Hunting Habits: The Narrow-Billed Prion feeds mainly at night. The Narrow-Billed Prion use their thin bill to pick prey from the water.
Feed on: Small crustaceans, mostly amphipods, but also krill and small fish.
Threats: The Narrow-Billed Prion are not globally threatened.
Colour/Looks: The Narrow-Billed Prion has a blue-grey body that is typical of all prions, but the black on the end of its tail is just a small central spot instead of a broad terminal band. The Narrow-Billed Prion has a slender bill, a black eye line and a clearly marked white stripe above and behind the eyes.
Interesting Trivia:
- The Narrow-Billed Prion rarely follow ships.
More info:
- Hadoram Shirihai, A complete guide to Antarctic wildlife (2002)
- David McGonigal & Lynn Woodworth, Antarctica and the Arctic. The complete encyclopedia (2001)
- Tony Soper, Antarctica. A guide to the wildlife (2000)




