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The Adélie penguin lives on sea ice but needs ice-free land to breed. With a reduction in sea ice, populations of the Adélie penguin have dropped by 65% over the past 25 years in the Antarctic Peninsula. [39] Young Adélie penguins that have no experience in social interaction may react to false cues when the penguins gather to breed.
Sphenisciformes (from the Latin for "wedge-shaped") is the taxonomic order to which the penguins belong. BirdLife International has assessed 18 species. 16 (89% of total species) have had their population estimated: those missing are the king and little penguins , both of which have been assessed as being of least concern .
Ranges are based on the IOC World Bird List for that species unless otherwise noted. Population estimates are of the number of mature individuals and are taken from the IUCN Red List. This list follows the taxonomic treatment (designation and order of species) and nomenclature (scientific and common names) of version 13.2 of the IOC World Bird ...
Adélie penguins mating. Adélie Cove is a 186-ha tract of ice-free land on the coast of Terra Nova Bay in Victoria Land, Antarctica.It has been identified as an Important Bird Area by BirdLife International because it supports populations of seabirds, notably a breeding colony of about 11,000 pairs of Adélie penguins.
The Danger Islands have been identified as an Important Bird Area by BirdLife International because it supports Adélie penguin colonies and seabirds. [3] 751,527 pairs of Adélie penguins (1.5 million individuals) have been recorded in at least five distinct colonies as of March 2018. [4] [5] The survey used drones adapted to the cold. [6]
In 2010, a fallen glacier blocked the flow of a river and caused sea ice to overflow to the rocky surface that Adélie penguin requires to nest. [16] Before 2017, an estimated 18,000 pairs of Adélie penguin resided in the Adélie Land. However, in 2017, an insurgence of sea ice forced the penguins to travel further to reach the sea.
A 2020 study found that the gentoo penguin may actually comprise a species complex of 4 similar but genetically distinct species: the northern gentoo penguin (P. papua), the southern gentoo penguin (P. ellsworthi), the eastern gentoo penguin (P. taeniata), and the newly-described South Georgia gentoo penguin (P. poncetii).
Pennycook created an outreach project where schoolchildren could send personalized postcards with drawings of penguins sent to her, which would then be returned with an Antarctic postmark. [ 2 ] [ 7 ] Schools also have the option of designing a class flag to be flown in Antarctica, which can subsequently be viewed through a live penguin webcam ...