Nick_Viani_-_CR-2Hoffmann's Woodpecker (© Nick Viani 11/19) Hotel Hacienda Guachipelin, Costa Rica. Note: In the extreme heat of CR, some birds cool down using a process called thermoregulation. Spreading the feathers exposes and cools warmer blood that then circulates throughout the body, lowering the animal’s overall body temperature.
Hoffmann's Woodpecker (© Nick Viani 11/19) Hotel Hacienda Guachipelin, Costa Rica. Note: In the extreme heat of CR, some birds cool down using a process called thermoregulation. Spreading the feathers exposes and cools warmer blood that then circulates throughout the body, lowering the animal’s overall body temperature.