The Henderson Islets are a group of two adjacent small rocky islands, with a combined area of 0.41 ha, in south-eastern Australia. They are part of

Tasmania ) , nickname = , image_map = Tasmania in Australia.svg , map_caption = Location of Tasmania in AustraliaCoordinates: , subdivision_type = Country , subdi ...

’s Trefoil Island Group, lying close to

Cape Grim Cape Grim, officially Kennaook / Cape Grim, is the northwestern point of Tasmania, Australia. The Peerapper name for the cape is recorded as ''Kennaook''. It is the location of the Cape Grim Baseline Air Pollution Station and of the Cape Gri ...

, Tasmania's most north-westerly point, in Bass Strait.

Fauna

The islet form part of the

Hunter Island Group Important Bird Area The Hunter Island Group Important Bird Area comprises several islands in the Hunter Island Group and Trefoil Island Group lying off the north-western coast of Tasmania, Australia Australia, officially the Commonwealth of Australia, i ...

.BirdLife International. (2011). Important Bird Areas factsheet: Hunter Island Group. Downloaded from http://www.birdlife.org on 2011-07-09. Recorded breeding

seabird Seabirds (also known as marine birds) are birds that are adapted to life within the marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent evolution, as the same enviro ...

and

shorebird 245px, A flock of Dunlins and Red knots">Red_knot.html" ;"title="Dunlins and Red knot">Dunlins and Red knots Waders or shorebirds are birds of the order Charadriiformes commonly found wikt:wade#Etymology 1, wading along shorelines and mudflat ...

species include little penguin,

fairy prion The fairy prion (''Pachyptila turtur'') is a small seabird with the standard prion plumage of blue-grey upperparts with a prominent dark "M" marking and white underneath. The sexes are alike. This is a small prion of the low subantarctic and sub ...

sooty oystercatcher The sooty oystercatcher (''Haematopus fuliginosus'') is a species of oystercatcher. It is a wading bird endemic to Australia and commonly found on its coastline. It prefers rocky coastlines, but will occasionally live in estuaries. All of its fea ...

, black-faced cormorant and

Caspian tern The Caspian tern (''Hydroprogne caspia'') is a species of tern, with a subcosmopolitan but scattered distribution. Despite its extensive range, it is monotypic of its genus, and has no accepted subspecies. The genus name is from Ancient Greek ' ...

.Brothers, Nigel; Pemberton, David; Pryor, Helen; & Halley, Vanessa. (2001). ''Tasmania’s Offshore Islands: seabirds and other natural features''. Tasmanian Museum and Art Gallery: Hobart.

References

North West Tasmania Important Bird Areas of Tasmania Islands of Bass Strait {{Tasmania-geo-stub