Danaus , commonly called Tigers , Milkweeds , Monarchs , and Queens , is a genus of butterflies in the tiger butterfly tribe .
Danaus is a genus of butterflies .
Danaus is a genus of butterflies .
Write a simpler version for the sentence: Danaus , commonly called Tigers , Milkweeds , Monarchs , and Queens , is a genus of butterflies in the tiger butterfly tribe . Output: