The Churchill Island Marine National Park is a 670 hectares (1,655.6 acre) marine park

Marine park

A marine park is a park consisting of an area of sea sometimes protected for recreational use, but more often set aside to preserve a specific habitat and ensure the ecosystem is sustained for the organisms that exist there...

 in Western Port

Western Port

Western Port, is sometimes called "Western Port Bay", is a large tidal bay in southern Victoria, Australia opening into Bass Strait. It is the second largest bay in Victoria. Geographically, it is dominated by the two large islands; French Island and Phillip Island. Contrary to its name, it lies to...

, Victoria, Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. It is located south of Rhyll

Rhyll, Victoria

Rhyll is a small fishing town on Phillip Island in Victoria, Australia. It is located in the north-east corner of the island. It is named after Rhyl, a holiday resort in North Wales, Great Britain. At the 2006 census, Rhyll had a population of 503....

, on the north-eastern shore of Phillip Island, in Western Port. It extends from Long Point south of the town of Rhyll, to the northern point of Churchill Island

Churchill Island

Churchill Island is a island in Western Port, Victoria, Australia. It is connected by a bridge to Phillip Island. It is the site of the first European settlement in Victoria. It contains a working farm and a homestead, dating from 1872, which is open to the public...

 and along Churchill Island’s western coast to the bridge connecting it to Phillip Island. It is part of the Western Port Ramsar site

Ramsar Convention

The Ramsar Convention is an international treaty for the conservation and sustainable utilization of wetlands, i.e., to stem the progressive encroachment on and loss of wetlands now and in the future, recognizing the fundamental ecological functions of wetlands and their economic, cultural,...

. It is an important roosting and feeding site for migratory

Bird migration

Bird migration is the regular seasonal journey undertaken by many species of birds. Bird movements include those made in response to changes in food availability, habitat or weather. Sometimes, journeys are not termed "true migration" because they are irregular or in only one direction...

 wader

Wader

Waders, called shorebirds in North America , are members of the order Charadriiformes, excluding the more marine web-footed seabird groups. The latter are the skuas , gulls , terns , skimmers , and auks...

s, especially Whimbrel

Whimbrel

The Whimbrel Numenius phaeopus, is a wader in the large family Scolopacidae. It is one of the mostwidespread of the curlews, breeding across much of subarctic North America, Europe and Asia as far south as Scotland....

s and Bar-tailed Godwit

Bar-tailed Godwit

The Bar-tailed Godwit is a large wader in the family Scolopacidae, which breeds on Arctic coasts and tundra mainly in the Old World, and winters on coasts in temperate and tropical regions of the Old World...

s. Its seagrass

Seagrass

Seagrasses are flowering plants from one of four plant families , all in the order Alismatales , which grow in marine, fully saline environments.-Ecology:...

 habitats are also important for Black Swan

Black Swan

The Black Swan is a large waterbird, a species of swan, which breeds mainly in the southeast and southwest regions of Australia. The species was hunted to extinction in New Zealand, but later reintroduced. Within Australia they are nomadic, with erratic migration patterns dependent upon climatic...

s and many species of fish

Fish

Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

.