Fig 3. Number of nests of Caiman crocodilus yacare found on (A) Nhumirim Ranch and (B) Campo Dora Ranch between 1987 and 2014.

Open symbols indicate years with the use of an aircraft to survey for nests on floating grass mats. Dark symbols indicate years without the use of an aircraft to survey for nests on floating grass mats. Numbers in these years may be underestimates. Solid line is the number of nests and the dotted line is the sine wave.