Danger Islands lie ~19 km southeast of Joinville Island, in the Erebus and Terror Gulf. Earle Island is ice-free and of low elevation, is around 0.5 km across, and is the most southerly of the Danger Islands. The IBA qualifies on the basis of the concentration of seabirds present (in particular Pygoscelid penguins) and comprises all of Earle Island.
The nearest permanent scientific station is Petrel (ARG, a summer-only facility for up to ~55 people (COMNAP, Antarctic Facilities, accessed 06/08/2010) located ~70 km to the east on Dundee Island.
Other birds thought to breed at Danger Islands include the Cape Petrel (Daption capense), Snowy Sheathbill (Chionis albus), Kelp Gull (Larus dominicanus), Brown Skua (Catharacta antarctica), Wilson's Storm-petrel (Oceanites oceanicus) and Antarctic Tern (Sterna vittata). Occasional visitors include Chinstrap Penguin (Pygoscelis antarctica), Southern Giant Petrel (Macronectes giganteus), Snow Petrel (Pagodroma nivea), Imperial Shag (Phalacrocorax [atriceps] bransfieldensis) and South Polar Skua (Catharacta maccormicki) (Naveen & Lynch 2011).
Non-bird biodiversity: None known.
BirdLife International (2019) Important Bird Areas factsheet: Earle Island, Danger Islands. Downloaded from http://www.birdlife.org on 20/07/2019.