| a new use of technology to solve an old problem: estimating the population size of a burrow nesting seabird. | estimating the population of burrow-nesting seabirds is a challenging task, as human presence in the colony creates disturbances and can damage burrows and occupants. here, we present a novel method using aerial photographs taken with unmanned aerial vehicles (uavs) to estimate the population size of a burrow-nesting seabird, the black-vented shearwater (puffinus opisthomelas), on natividad island, mexico. our results provide a census of burrows in the colony, with very low detection error (5.6% ... | 2018 | 30216342 |