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Storm petrel monitoring on Floreana reveals increased number of nests

October 29, 2015

Park rangers looking for storm petrel nests

Rangers with the Galapagos National Park Directorate (GNPD) recently identified 231 new nests in the Galapagos storm petrel colony in the Cerro Pajas area of Floreana Island, located south of the Archipelago. These nests added to the 330 nests already known to the staff of the San Cristóbal Technical Unit, bringing the total to 561.

GNPD technicians conducted a four-day monitoring trip that resulted in this discovery. As part of the trip, they georeferenced each petrel nests in order to observe them each month to determine any possible impacts that may be caused by the climate phenomenon “El Niño” on this species.
The Galapagos petrel is the only endemic Galapagos seabird that nests in the upper regions of the islands Santa Cruz, San Cristóbal , Santiago, Floreana, and Isabela, and make their nests in wet soil and vegetation or on rocks. The GNPD takes protective action to control invasive species like guava and blackberry plants that impact nesting sites, as well as rodents and feral cats.

Translated and reprinted with permission from the Galapagos National Park Directorate.

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