St Helens Important Bird Area comprises four separate sites, with a collective total area of 24 km², in the vicinity of the town of St Helens

St Helens, Tasmania

St Helens is the largest town on the north-east coast of Tasmania, Australia, on Georges Bay. It is located on the Tasman Highway, about 160 km east of Tasmania's second largest city, Launceston. In the early 2000s, the town was one of the fastest growing areas of Tasmania, and reached a population...

 on the northern part of the east coast of Tasmania

Tasmania

Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...

, south-eastern 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...

.

Description

The sites constituting the Important Bird Area

Important Bird Area

An Important Bird Area is an area recognized as being globally important habitat for the conservation of bird populations. Currently there are about 10,000 IBAs worldwide. The program was developed and sites are identified by BirdLife International...

 (IBA) are Paddys

Paddys Island

Paddys Island is a flat granite island, with an area of 4.6 ha, in south-eastern Australia. It is part of the Waterhouse Island Group, lying close to the north-eastern coast of Tasmania...

 and St Helens Island

St Helens Island

St Helens Island is a granite island, with an area of 51 ha, in south-eastern Australia. It is part of the Waterhouse Island Group, lying close to the north-eastern coast of Tasmania. The island is a conservation area, though it has been burnt in the past and is still subject to severe rabbit...

s, the 9 km Maurouard Beach on the adjacent coast, with the Peron Dunes backing the beach, and the inner parts of Georges Bay. The islands are granitic

Granite

Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...

 with rocky shorelines and are home to seabird colonies. The beach is sandy and exposed to the ocean. The bay has intertidal

Intertidal zone

The intertidal zone is the area that is above water at low tide and under water at high tide . This area can include many different types of habitats, with many types of animals like starfish, sea urchins, and some species of coral...

 flats

Mudflat

Mudflats or mud flats, also known as tidal flats, are coastal wetlands that form when mud is deposited by tides or rivers. They are found in sheltered areas such as bays, bayous, lagoons, and estuaries. Mudflats may be viewed geologically as exposed layers of bay mud, resulting from deposition of...

 that provide feeding habitat for 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, or shorebirds.

Birds

The set of sites has been identified by BirdLife International

BirdLife International

BirdLife International is a global Partnership of conservation organisations that strives to conserve birds, their habitats and global biodiversity, working with people towards sustainability in the use of natural resources...

 as an IBA because it supports over 1% of the world populations of Pacific Gull

Pacific Gull

The Pacific Gull is a very large gull, native to the coasts of Australia. It is moderately common between Carnarvon in the west, and Sydney in the east, although it has become scarce in some parts of the south-east, as a result of competition from the Kelp Gull, which has "self-introduced" since...

s (Paddys Island), Little Penguin

Little Penguin

The Little Penguin is the smallest species of penguin. The penguin, which usually grows to an average of in height and in length , is found on the coastlines of southern Australia and New Zealand, with possible records from Chile.Apart from Little Penguins, they have several common names...

s (with up to 15,000 breeding pairs on St Helens Island), Pied Oystercatcher

Pied Oystercatcher

The Pied Oystercatcher, Haematopus longirostris, is a species of oystercatcher. It is a wading bird native to Australia and commonly found on its coastline. The similar South Island Pied Oystercatcher The Pied Oystercatcher, Haematopus longirostris, is a species of oystercatcher. It is a wading...

s (Georges Bay) and significant numbers of Fairy Tern

Fairy Tern

The Fairy Tern is a small tern which occurs in the southwestern Pacific.There are three subspecies:* Australian Fairy Tern, Sterna nereis nereis - breeds in Australia...

s and Hooded Plover

Hooded Plover

The Hooded Dotterel or Hooded Plover is a species of bird in the Charadriidae family. It is endemic to southern Australia and Tasmania. There are two recognized subspecies, both of which are classifed as Endangered....

s (Maurouard Beach and Peron Dunes). Other seabirds breeding on the islands include 10,000 pairs of White-faced Storm-Petrel

White-faced Storm-petrel

The White-faced Storm Petrel , also known as White-faced Petrel is a small seabird of the storm-petrel family. It is the only member of the monotypic genus Pelagodroma....

s, 2350 pairs of Short-tailed Shearwater

Short-tailed Shearwater

The Short-tailed Shearwater or Slender-billed Shearwater , also called Yolla or Moonbird, and commonly known as the muttonbird in Australia, is the most abundant seabird species in Australian waters, and is one of the few Australian native birds in which the chicks are commercially harvested...

s and 10 pairs of Common Diving-Petrels on St Helens Island, as well as small numbers of Caspian Tern

Caspian Tern

The Caspian Tern is a species of tern, with a subcosmopolitan but scattered distribution. Despite its extensive range, it is monotypic of its genus, and has no subspecies accepted either...

s and Kelp Gull

Kelp Gull

The Kelp Gull , also known as the Dominican Gull, breeds on coasts and islands through much of the southern hemisphere. The race L. d. vetula occurs around southern Africa, and nominate L. d...

s on Paddys Island.