a yellow bellied sapsucker, sphyrapicus varius, with red and black plumage, perched on a tree branch in the forest of mexico

avifauna chiapas sphyrapicus varius unique animal arboreal avian species beak beauty bird birdwatcher birdwatching black plumage mexico colorful environment fauna feathers forest ecosystem habitat large migration migratory nature perched red songbird spotted tree branch canopy dwelling trunk tropical vibrant wild wildlife wings woodland woodpecker yellow bellied sapsucker