🌈 Keel-billed Toucan (Ramphastos sulfuratus) 🌈 A keystone frugivore of Central American rainforests, instantly recognizable yet surprisingly complex. 🧬 The oversized bill is composed of lightweight keratin over a bony, honeycomb matrix, functioning in feeding, social signaling, defense, and thermoregulation (heat dissipation) 🎨 Bill coloration intensifies with age and health, playing a role in mate assessment 🌳 Strictly arboreal, relying on mature forest canopy and natural tree cavities for