Metallic Starling Aplonis metallica

Long-tailed, dark songbird. Adults glossy blackish with strong metallic green-blue sheen above in good light, bright red eye. Immatures dark above, pale with short, dark streaks below. Nest in large colonies, typically seen in very large flocks that fly fast and low. Spangled Drongo somewhat similar but with flared tail shape. Inhabits forests, parks, gardens.