A platypus is the only mammal with a NOUN. The dark COLOR skin on the bill is hairless and ADJECTIVE . Grooves along the sides of a platypus’s NOUN help it filter food from the NOUN. A platypus PLURAL VERB its food with tough PLURAL NOUN in its bill; it has no teeth. A platypus PLURAL VERB 10 to 12 hours each day looking for food under PLACE .
