Figure 1. Locations of social attraction tools for three seabird species on Desecheo Island established in 2018 and 2019. Social attraction tools include decoy colonies, mirrors and sound systems. Figure 2. The seabird decoy colonies on Desecheo Island: a-b) Bridled tern decoys with mirrors and c-d) Brown noddy decoys, mirrors and sound system. Figure 3. The seabird sound systems on Desecheo Island: a) solar-powered system; b) sound system; c) outdoor speaker with motion-sensing camera pointing towards it; d) Brown noddy decoy and speaker arrangement. Figure 4a. Observations of roosting or breading for twelve seabird species documented on Desecheo Island: A) Bridled Tern, B) Brown Booby, C) Brown Noddy, D) Laughing Gull, E) Magnificent Frigatebird and F) Red-footed Booby. Figure 4b. Observations of roosting or breading for twelve seabird species documented on Desecheo Island: G) Royal Tern, H) Audubon’s Shearwater, I) Roseate Tern, J) Sandwich Tern, K) Sooty Tern and L) Least Tern. Figure 5. Bridled Tern activity at the decoy colony established in 2018 on the south end of Desecheo Island: a) nest with one egg near the decoy colony found in June 2018 and b) two individuals perched next to the one remaining decoy in June 2018. Figure 6. First records of an Audubon’s Shearwater on Desecheo Island: a) individual perching on sound-system speaker in April 2018 and b) two individuals documented in June 2019.