They started coming. Ornithologist from UOCR (Union of Ornithologists of Costa Rica), birdwatching the common sites where migrants are reported, have organized tours to find them. Thay have reported some early birds in diverse habitats in the country. Recently , Daniel Martinez reported some shore birds in the Southern Pacifc. Here the numbers:
Rudy Turnstone 15
Semipalmated Plover 2
According to literature, those species are expected to arrive in August. So, some experts are thinking that maybe some of then didnt migrate back but decided to stay. However, Turnstones and Sanderlings had breeding plumaje, what probably means they just arrived.
After some birding trips on the Northern Caribbean, some new species appear.
Black-bellied Plover 9
Semipalmated Plover 15 (breeding plumage)
Spotted Sandpiper 5 (breeding plumage)
Rudy Turnstone 18