close-up of amethyst sunbirds with a golden background in south africa.

yellow animal bird flower wildlife branch nature beak insect leaf finch invertebrate plant wing autumn sparrow close-up amethyst sunbirds golden background south africa sunbird called black chalcomitra amethystine species passerine family nectariniidae native afrotropics equator commonly found well-watered habitats undertake seasonal movements visit flowering woodlands demise woodlands impacted numbers locally range expanded spread wooded gardens