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ENVIRONMENT

BIRDS

Birds have the greatest mobility of all terrestrial creatures and form the principal fauna of small oceanic islands, including Lord Howe, which has substantial breeding populations of land and seabirds. One hundred and eighty five species of birds have been recorded on Lord Howe Island, of which 32 are regular breeders today - fourteen species of seabirds, and eighteen species of landbirds. There are also a number of regular visitors that return at the same time each year on migratory paths.

Seabirds
Being one of just two islands in the Tasman Sea, Lord Howe Island is a haven for breeding seabirds. Fourteen different species breed each year, in numbers of hundreds of thousands.

Lord Howe Island has some notable features about its seabird populations. It is the only breeding location in the world for the Providence petrel (apart from a few pairs recently discovered on the offshore islands of Norfolk Island); the only breeding location in Australia for the Kermadec petrel and Grey ternlet; the most southerly breeding location in the world for the Sooty tern, Common Noddy, Black noddy and Masked booby; probably the world's largest concentration of Red-tailed tropicbirds breeding, and the only breeding population of Flesh-footed shearwaters off  Eastern Australia.

Regular visitors
In addition to those birds that breed on the Island, several other species are regular visitors and can be seen on the Island in small numbers each year. These are species of migratory shorebirds that breed in the northern hemisphere around the Arctic Circle and Alaska, and then spend their winter in the southern hemisphere on areas of shoreline on continents and islands. They include the Eastern Golden plover, Whimbrel, Ruddy turnstones, Bar-tailed godwit, Red-necked stint, Wandering and Grey-tailed tattler. A regular winter visitor is the Double banded plover from New Zealand.

Extinct birds
When discovered, Lord Howe Island had fifteen species of landbird, of which thirteen were endemic forms. Nine of the original fifteen are now extinct. All these birds had evolved and existed on the Island for many thousands of years without natural predators. But when man came in search of food, and with his domestic animals, they knew no fear and many species were soon exterminated. Two were literally eaten into extinction - the White gallinule (Notornis alba) and the White-throated pigeon (Columba vitensis), while a third, the Red-fronted Parrakeet (Cyanoramphus novaezelandiae subflavescens) was eliminated because it was a pest that damaged fruit and grain crops; all three were extinct by the 1860s. A further five forms became extinct within a few years of rats (Rattus rattus) arriving at Lord Howe when the ship Makambo ran aground near Ned's Beach in 1918. The victims were the Vinous-tinted Blackbird (Turdus xanthopus vinitinctus) the Lord Howe Gerygone (Gerygone insularis), the Lord Howe Fantail (Rhipidura cervina), the Robust Silvereye (Zosterops strenua), and the Lord Howe Starling (Aplonis fuscus hullianus). The last bird to disappear from the Island's forests was the Lord Howe Boobook (Ninox novaeseelandiae albaria) last heard in the early 1950s.

Survivors

Recent arrival landbirds
Since 1920 eleven other species of birds have become established on Lord Howe Island, whether by introduction - the Masked owl, Peewee, Blackbird and Song thrush or by natural colonisation - Buff Banded rail, White-faced heron, Nankeen kestrel , Welcome swallow, European Starling, Purple swamphen and the Masked lapwing. The last two species to colonise the Island arrived in 1985 and 1990. All of these landbirds that have colonised since 1920 probably depend, for their survival, on the modifications to the environment, through clearing of lowland forest for pasture and housing.

Woodhen
The most celebrated of the landbirds of Lord Howe Island is the Woodhen, Gallirallus sylvestris, a flightless bird from the rail family, most closely related to the Weka of New Zealand. It is similar in size to a bantam, stands 30 cm high and weighs 400 - 550 grams. The body plumage is olive-brown in colour, although older birds sometimes develop white ear coverts. The wing feathers are chestnut coloured with black bars visible only when the bird spreads its wings. The bill is slightly down-curved, about 50 mm long and pinkish-grey in colour.

Woodhens are very inquisitive and will emerge from thick undergrowth to investigate the source of any unusual noise. This habit made them easy prey for hungry sailors who came ashore for food before settlement in 1834. Then the early settlers hunted them for food, plus brought cats, dogs and pigs that also hunted them. By the 1880s the Woodhen was confined to the mountain summits. The Woodhens managed to survive there in low numbers until scientists from the Australian Museum took interest in the 1970s and planned a successful recovery program that was carried out in the 1980s. The recovery program involved removing feral cats, dogs and pigs from the Island. From a mere 30 birds in 1970, there are now approximately 300 Woodhens living across the Island.

 

Learn More About The Birds Of Lord Howe Island

 

MONTHLY SIGHTINGS REPORT
Each month volunteer field workers and friends of Lord Howe Island collect sightings. Click here to view the most recent month or visit our archive reports.

 

Bird Watcher

RARE BIRDS sighted recently. See our latest celebrity bird sighting... click here.

 

What bird is that? SEARCH online to identify specific species

Sea Birds

Land Birds

Visiting Birds

Masked Boobies

Black-winged Petrel

Ducks

Sacred Kingfisher

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