The Pyrrhuloxia or Desert Cardinal (Cardinalis sinuatus) is a medium-sized North American song-bird, found year-round in the desert scrub and mesquite thickets of the American southwest and northern Mexico.
I've seen small birds drive away an owl before, and I think that's what is happening here between a songbird & a Barn Owl. It's astonishing to witness the bravery of small creatures protecting their young and/or their territory.
Raggiana Bird-of-Paradise - (Paradisaea raggiana) is the national bird of Papua New Guinea and in 1971 this species was included on the national flag. It is distributed widely in southern and north eastern New Guinea, where its name is Kumul.