Paul Hobson / Keel-billed toucan (Ramphastos sulfuratus) perched on branch with beak open. Laguna del Lagarto, Alajuela, Costa Rica.

Paul Hobson / Green-crowned brilliant (Heliodoxa jacula), three feeding on Lobster-claw (Heliconia sp) flower in rain. Costa Rica.

Paul Hobson / Violet sabrewing hummingbird (Campylopterus hemileucurus) nectaring on Orchid. Costa Rica.

Ingo Arndt / Royal Flycatcher (Onychorhynchus coronatus) in defensive posture, Santa Rosa National Park, Costa Rica

Ingo Arndt / Royal Flycatcher (Onychorhynchus coronatus) in defensive posture, Santa Rosa National Park, Costa Rica

Phil Savoie / White tent making bat (Ectophylla alba) roosting in Heleconia leaf, La Selva Field Station, Costa Rica.

Glenn Bartley/ BIA / Keel-billed Toucan (Ramphastos sulfuratus), Costa Rica

Glenn Bartley/ BIA / Great Curassow (Crax rubra), Costa Rica

Glenn Bartley/ BIA / Black-mandibled Toucan (Ramphastos ambiguus) during rainfall, Costa Rica

Piotr Naskrecki / Banded Tree Snake (Tripanurgos compressus), Costa Rica

Piotr Naskrecki / Grasshopper (Tropidacris cristata) on hand, Costa Rica

Piotr Naskrecki / Toltec Fruit-eating Bat (Artibeus toltecus) flying, Monteverde Cloud Forest Reserve, Costa Rica