. . . . . . . . "Chirping insects"@en . "Chirping insects" . "Describes how chirping insects such as crickets, katydids, and grasshoppers produce their songs and use them to send messages to other members of their species." . "Describes how chirping insects such as crickets, katydids, and grasshoppers produce their songs and use them to send messages to other members of their species."@en . . . . . . . "Juvenile works" . "Juvenile works"@en . . .