Burung mirip Crimson Sunbird

Key differences

Smaller, much shorter bill, lacks the elongated tail feathers of the male Crimson Sunbird. The red on the male Scarlet-backed Flowerpecker is restricted to the back, not extending to the underparts like the Crimson Sunbird.

Key differences

Males have a purplish-red breast and belly, contrasting with a metallic green throat and upperparts, rather than the extensive crimson of the Crimson Sunbird. Females are very similar but often have a more distinct yellow vent.

Key differences

Males have a metallic blue-black throat and breast, with a yellow belly, lacking the crimson. Females are generally duller yellow below with olive upperparts, but lack the distinct yellowish wash on the rump often seen in female Crimson Sunbirds.