Various Wildlife on the Rio Tarcoles December 5, 2015 Luke Cabading Here are some photos I took of various wildlife along the Tarcoles River in Costa Rica. Boat-billed Heron (Cochlearius cochlearius) Scarlet macaw (Ara macao) Bare-throated tiger heron (Tigrisoma mexicanum) Yellow-crowned night heron (Nyctanassa violacea) Snowy egret (Egretta thula) American crocodile (Crocodylus acutus) Roseate spoonbill (Platalea ajaja) Black vulture (Coragyps atratus) Black-necked stilt (Himantopus mexicanus)