Akiapolaau bird

akiapolaau bird forest tropical subtropical Hawaiian wings tail flight long curved beak plumage feathers brown olive streaked insectivore nectar feeder agile alert perching canopy understory nesting eggs chicks vocalization call song camouflage foraging behavior conservation endangered wildlife birdwatching nature observation ecosystem biodiversity survival tropical forest alertness bird photography habitat study native species endemic pollinator ecological balance foliage trees canopy layer forest floor secretive shy adaptable forager