Name the Artist: I Only Have Eyes For You - The?

Questions

Common name for a tropical tree (Mulberry), grown on the islands of the South Pacific Ocean?

Common name for flightless, aquatic birds of the southern hemisphere?

Common name for many rodents belonging to the same family as the woodchuck (marmot), chipmunk, and prairie dog?

Common ore of iron, and one of the most commonly occurring minerals in nature?

Compact, opaque gemstone ranging in color from dark green to almost white?