
Juan Fernandez Petrel
Juan Fernandez Petrel
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The Juan Fernandez Petrel is a large, striking gadfly petrel endemic to the Juan Fernandez Islands, Chile. It has dark upperparts and white underparts with distinctive underwing markings.
Where to spot
Breeds exclusively on Masatierra (Robinson Crusoe) Island in the Juan Fernandez Archipelago, Chile. Forages widely across the eastern Pacific Ocean, from Chile to the Galapagos and North Pacific.
How to spot
Look for its dark grey-brown upperparts, clean white underparts, and distinct dark markings on the underwing forming a diagonal bar. Its flight is strong and arcing. Best observed during pelagic trips off Chile or in the eastern Pacific.
When to spot
Breeding season is from November to May. Can be observed at sea year-round, with high concentrations off Chile during the breeding period. Migrates north to the central and eastern Pacific.
Where to spot
Breeds exclusively on Masatierra (Robinson Crusoe) Island in the Juan Fernandez Archipelago, Chile. Forages widely across the eastern Pacific Ocean, from Chile to the Galapagos and North Pacific.
How to spot
Look for its dark grey-brown upperparts, clean white underparts, and distinct dark markings on the underwing forming a diagonal bar. Its flight is strong and arcing. Best observed during pelagic trips off Chile or in the eastern Pacific.
When to spot
Breeding season is from November to May. Can be observed at sea year-round, with high concentrations off Chile during the breeding period. Migrates north to the central and eastern Pacific.
This petrel has one of the longest known breeding cycles among seabirds, taking up to 10 months to raise a single chick, reflecting the challenges of life in remote ocean environments.
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