Blue Peter 2002, repeats of "Blue Peter" started being shown on CBBC on Choice's successor, the newly launched CBBC Channel, along with spin-off shows "Blue Peter Unleashed" and "Blue Peter Flies the World". From 2003 a new arrangement involved new material being shown daily, on both BBC One and the CBBC Channel. In 2017, "Blue Peter Bite", a five-minute programme which features challenges previously shown on the programme was introduced. The signature tune has always been a hornpipe, originally using variations of Barnacle Bill by Herbert Ashworth-Hope, and should not be confused with the American sailor song of the same title. The
Bay barnacle Bay barnacle Amphibalanus improvisus, the bay barnacle, is a species of acorn barnacle in the family Balanidae. "Amphibalanus improvisus" has a smooth white or pale grey conical calcareous shell composed of six fused plates. There is an oval or rhombic opening at the top which is blocked by two hinged plates. Adults usually grow to about in diameter and in width though they are sometimes larger than this and can grow taller when densely packed. The base is characteristically grooved radially. This species can be confused with the striped barnacle ("Amphibalanus amphitrite") and in European waters with the northern rock