Photograph index, camera settings, and locational information for images used to count Red-footed Boobies (Sula sula) nesting at Kīlauea Point National Wildlife Refuge, Kauaʻi, in 2019
During 13-18 May, 2019, we censused red-footed boobies (Sula sula) at Kīlauea Point National Wildlife Refuge (KPNWR), Kauaʻi. To evaluate ground-based visual counts and assess variability among methods, we employed photographic techniques to count nesting red-footed boobies at KPNWR in three distinct sub-colony areas: …