![]() Adélie penguins breed in the IBA | |
Geography | |
---|---|
Location | Wilkes Land,Antarctica |
Coordinates | 66°25′S110°25′E / 66.417°S 110.417°E /-66.417; 110.417 |
Archipelago | Windmill Islands |
Length | 3.1 km (1.93 mi) |
Highest elevation | 90 m (300 ft) |
Administration | |
Administered under theAntarctic Treaty System | |
Demographics | |
Population | Uninhabited |
Holl Island is a rocky, triangular-shapedAntarctic island, 3.1 km (1.7 nmi) long, marking the south-western end of theWindmill Islands.
The island was mapped fromaerial photographs taken by USNOperation Highjump, 1946–1947, and USNOperation Windmill, 1947–1948. It was named by theUS-ACAN for Lt. Richard C. Holl, USNR, photogrammetrist with the Navy Hydrographic Office, who served as surveyor with the Operation Windmill parties which established astronomical control stations on Holl Island and alongQueen Mary andKnox Coasts. Churchill Point is the north-western point of the island; it was named by the US-ACAN for Radioman Robert W. Churchill, USN, a member of theWilkes Station party of 1958.
A 1,052 ha site comprising both Holl Island and neighbouringO'Connor Island has been designated anImportant Bird Area (IBA) byBirdLife International because it supports about 30,000 breeding pairs ofAdélie penguins, estimated from 2011 satellite imagery. Other birds recorded as breeding in the IBA includesnow petrels,Cape petrels,south polar skuas,Wilson's storm petrels andsouthern fulmars.[1]
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