Query: Birds that were discovered in the 20th century in Western New Guinea
Domain: animals
Relevant documents:
Grey-banded mannikin
Short-bearded honeyeater
Black-breasted mannikin
Baliem whistler
Archbold's owlet-nightjar
Snow Mountain quail
Western alpine mannikin
Smoky robin
Brass's friarbird
Orange-cheeked honeyeater
Archbold's bowerbird
Papuan whipbird
Kofiau monarch