Alpinism and Ski - Company based in Wanaka, offering trips in the national parks of Mount Aspiring, Mount Cook and Westland. Kaikoura Helicopters - Whale watching, alpine and scenic, adventure and charter flights plus commercial work Kiwi Dundee Adventures - Highlights personalised nature walks and ecotours of The Coromandel Peninsula. Gannet Beach Adventures - Tractor and trailer tour along the beach to world's largest mainland gannet colony. Te Awanga, Hawke's Bay. Abel Tasman Tours & Guided Walks - Personal tours and guided walks in the Abel Tasman National Park and Kahurangi National Park. Self-contained tourist accommodation near Motueka. Kiwi Wildlife Tours - Specialise in small group natural history and birding tours. Nature Quest New Zealand - Birding, botanical and nature tours, custom-designed for small groups or study programmes. Canterbury Trails - Tour operator for small groups around Christchurch and other parts of South Island. Ecotours New Zealand - Directory guide of ecotourism tour operators and holiday planning available nationwide for nature conservation travels.