The male Ribbon-tailed Astrapia has striking, narrow white tail feathers. The species lives in high mountain forests and eats fruit and small animals.
Adult males have a glossy black head and long, narrow white central tail feathers. Females are duller blackish brown.
It eats fruit, insects, spiders and frogs in upper mountain forest and at forest edges. Males court at traditional perches, displaying with their tails raised.
An extinction-risk assessment has not been added yet.