Robert Perger: Gymognathus barclayi
Robert Perger: Oryctophileurus guerrai, male and female
Robert Perger: Frog, Nicoya, Costa Rica
Robert Perger: Gecarcinus lateralis
Robert Perger: Cardisoma armatum feeding on leaf litter
Robert Perger: Cherrie's Tanager (Ramphocelus costaricensis), Puerto Viejo, Costa Rica
Robert Perger: La nochecita, Pacific, Costa Rica
Robert Perger: Pacific coast of Costa Rica
Robert Perger: Coast of Golfito, Costa Rica
Robert Perger: National Park Manuel Antonio, Costa Rica
Robert Perger: Basiliscus plumifrons, Arenal, Costa Rica