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
Ivory barnacle Ivory barnacle Amphibalanus eburneus, the ivory barnacle, is a species of acorn barnacle in the family Balanidae. It occurs on the east coast of North America, the Caribbean Sea and Gulf of Mexico. The ivory barnacle is a medium-sized, cone-shaped sessile barnacle with a white test composed of fused plates. It has a diamond-shaped operculum protected by a hinged lid formed from two triangular halves each consisting of two plates, a tergum and a scutum. It can grow to a height of but most individuals are much smaller. This barnacle can be confused with the white bay barnacle ("Balanus improvisus")