The term 'long-necked creature' can be summarized by the crossword solution 'GIRAFFE', which is a seven-letter word. Giraffes are the tallest living land animals, with their necks alone measuring up to 6 feet in length. They are native to Africa and have distinctive brown patches on their fur. Giraffes are herbivores, eating mostly leaves and fruits from trees. They are also known for their long tongues, which can reach up to 20 inches in length.