Acorn Woodpecker pecking at a mossy tree branch before taking flight in the Costa Rica rain forest

leaves second growth underbrush flowers costa rica mossy plants yellow moss budding plants perch forest edge branches jungle perching nectar forest flapping aves white breast feeding roughage beak bird woodpecker trees fly greenery flying wings feathers flight hover red head acorn woodpecker jumping tropical food sunlight eating floating underpants hoping beating wings soaring aerodynamics takeoff frequencies black body