beaches and protected bays with good snorkelling. Avai'o'vuna Swamp is a small coastal wetland on the island. Hunga Island. This is some 35 minutes from Neiafu Harbour and provides the main concentration of humpback whales. The island lies in deep water and has sheltered waters and bays which provide a resting place for humpbacks with calves. How to Grow Beavertail Cactus The Beavertail Cactus (Opunitia basilares), found primarily in the Mojave Desert and northwest Mexico; can grow to be about 24 inches (60 cm) high; has pads that look like beavertails; and yields red or purple flowers from spring to early summer. Growing Beavertail can be done at any time of year by scattering seeds in a shady bed or, for faster results, planting cuttings in a mix