BURROW OCCUPANCY AND POPULATION SIZE IN THE ATLANTIC PETREL PTERODROMA INCERTA: A COMPARISON OF METHODS.

The article discusses findings of a study to evaluate the accuracy of methods used to monitor burrowing activity and population of the Atlantic Petrel or Pterodroma Incerta seabird in Gough Island in the South Atlantic Ocean. It notes the use of a burrowscope to validate activity signs and playback response to recorded calls in order to estimate Atlantic Petrel population. It confirms that the burrowscope provided a more accurate representation of occupancy for 94 percent of burrows.