Gaudy Leaf Frog (Agalychnis callidryas)             A flower in the frangipani family The casque-headed lizard is capable of changing colors depending on its substrate. Photos by guest blogger Richard Joyce  

The area known as “Las Chutas” is on a ridge in the CER, northeast of the town of Monteverde, south of Arenal Volcano, west of the Peñas Blancas Valley, and east of San Gerardo biological station.  Forty years ago, the portion of the Caribbean slope of the Tilaran mountain range now part of the CER [...]

Guest post by Richard V. Joyce Laguna Escondida (or Hidden Lagoon) lies several kilometers north of Eladio’s Refuge in the Peñas Blancas Valley. Rugged terrain and multiple river crossings mean that it can take over three hours to hike there from Eladio’s cabin. Trail-crew members, researchers and biology students are among the few people to [...]