Plastics can foul props or engine intakes and cause expensive repairs.
Many remote areas do not have garbage facilities, so plan to bring back everything you take with you. Birds often abandon their nests and young, and feeding or other behaviour critical to survival can be disrupted. Marine Birds Don't approach within 100 metres of bird colonies. Don't allow pets ashore where they can disturb birds or nest - this can easily kill young birds. Marine birds often nest on the ground on small islets, cliff and shorelines.