year  location  location_2                      site  lat       lon        transect  
2015  Haiti     Ile_a_Vache                     HH4   18.10540  -73.69769  A         
2015  Haiti     Ile_a_Vache                     HH4   18.10540  -73.69769  B         
2015  Haiti     Ile_a_Vache                     HH4   18.10540  -73.69769  C