[Answer] What reptile is the most vocal, with some species able to communicate more than 20 distinguishable messages through sound alone?

Step 1 : Introduction to the question "What reptile is the most vocal, with some species able to communicate more than 20 distinguishable messages through sound alone?"

...Hint :Peter Pan

[Answer] Which U.S. state selected the ornate box turtle as its official state reptile?

Step 1 : Introduction to the question "Which U.S. state selected the ornate box turtle as its official state reptile?"

...The ornate box turtle is one of only two of its kind of land-dwelling turtles living on the Great Plains of America. The prairies and pastures are the favorite bits of real estate for these ornate box turtles. Their habitat ranges from the wilds of South Dakota, all the way down to southern Arizona and the Rio Grande valley. Kansas decided in 1986 to name these gentle creatures the official state reptile. The idea came from an elementary class in Caldwell, Kansas. Because of its official designation, it is illegal to take one of these turtles from the wild and keep it as a pet in Kansas. Source: StateSymbolUSA.org

[Answer] Which U.S. state lists the horned toad as its state reptile?

Step 1 : Introduction to the question "Which U.S. state lists the horned toad as its state reptile?"

...Wyoming named the horned toad its official state reptile in 1993. This "toad" is actually a lizard, however. It has its scientific classification name but is often called by its nickname "horned toad" because of its toad-like, round shape. It's actually a member of the iguana family. They grow to 3 to 5 inches in length, with short legs and a short tail. Their favorite snacks are ants and other insects. They are docile and gentle by nature but can look fierce because of their horn-like spines on the back of their heads and along the sides of its body. Source: StateSymbolsUSA.org