Frank.Vassen: Costa Rica, cloudforest
Frank.Vassen: Cloudforest epiphytes, Sierra de Talamanca, Costa Rica
Frank.Vassen: Resplendent Quetzal, Mirador de Quetzales, Costa Rica
Frank.Vassen: Resplendent Quetzal, Mirador de Quetzales, Costa Rica
Frank.Vassen: Resplendent Quetzal, Mirador de Quetzales, Costa Rica
Frank.Vassen: Resplendent Quetzal, Mirador de Quetzales, Costa Rica
Frank.Vassen: Resplendent Quetzal (Pharomachrus mocinno), Mirador de Quetzales, Costa Rica
Frank.Vassen: Blue-black Grosbeak, Esquinas Rainforest Lodge, Costa Rica
Frank.Vassen: Cherrie's Tanager, Esquinas Rainforest Lodge, Costa Rica
Frank.Vassen: Red-capped Manakin, Esquinas Rainforest Lodge, Costa Rica
Frank.Vassen: Green Violet-ear (Colibri thalassinus), Copey de Dota, Costa Rica
Frank.Vassen: Green Violet-ear (Colibri thalassinus), Copey de Dota, Costa Rica
Frank.Vassen: Green Violet-ear (Colibri thalassinus), Copey de Dota, Costa Rica
Frank.Vassen: Green Violet-ear (Colibri thalassinus), Copey de Dota, Costa Rica
Frank.Vassen: Green Violet-ear (Colibri thalassinus), San Gerardo de Dota, Costa Rica
Frank.Vassen: Magnificent Hummingbird, Mirador de Quetzales, Costa Rica
Frank.Vassen: Magnificent Hummingbird, Mirador de Quetzales, Costa Rica
Frank.Vassen: Magnificent Hummingbird, Mirador de Quetzales, Costa Rica
Frank.Vassen: White-throated Mountain-gem, San Gerardo de Dota, Costa Rica
Frank.Vassen: White-throated Mountain-gem, San Gerardo de Dota, Costa Rica
Frank.Vassen: Crested Guan, Esquinas Rainforest Lodge, Costa Rica
Frank.Vassen: Crested Guan, Esquinas Rainforest Lodge, Costa Rica
Frank.Vassen: Long-tailed Silky-flycatcher, Costa Rica
Frank.Vassen: Mountain Rainforest, Costa Rica
Frank.Vassen: Acorn Woodpecker, San Gerardo de Dota, Costa Rica
Frank.Vassen: Acorn Woodpecker, San Gerardo de Dota, Costa Rica
Frank.Vassen: Acorn Woodpecker, San Gerardo de Dota, Costa Rica
Frank.Vassen: Acorn Woodpecker, San Gerardo de Dota, Costa Rica
Frank.Vassen: Chestnut-mandibled Toucan, Esquinas Rainforest Lodge, Costa Rica
Frank.Vassen: Chestnut-mandibled Toucan, Esquinas Rainforest Lodge, Costa Rica