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[[File:Chinstrap penguin-Deception.jpg|thumb|300px|left]]
[[File:Antarctic krill.jpg |250px|left]]
The '''[[chinstrap penguin]]''' is a species of [[penguin]] which inhabits a variety of islands and shores in the Southern Pacific and the [[Southern Ocean|Antarctic Ocean]]. Its name derives from the narrow black band under its head which makes it appear as if it were wearing a black helmet, making it one of the most easily identified types of penguin. Other common names are "ringed penguin", "bearded penguin", and "stonecracker penguin" due to its harsh call.
'''[[Antarctic krill]]''' is a species of [[krill]] found in the [[Antarctica|Antarctic]] waters of the [[Southern Ocean]]. It is a small, swimming crustacean that lives in large schools, called swarms, sometimes reaching densities of 10,000–30,000 individual animals per cubic meter. It feeds directly on minute phytoplankton, thereby using the primary production energy that the phytoplankton originally derived from the sun in order to sustain their open ocean life cycle.


Males are both larger and heavier than females.
It grows to a length of 6 cm, weighs up to 2 grams, and can live for up to six years. It is a key species in the Antarctic ecosystem and is, in terms of biomass, probably the most abundant animal species on the planet. In 2019, the Antarctic krill was featured on a [[Stamps of Westarctica|stamp of Westarctica]] to celebrate its role as a vital part of the Antarctic ecosystem.


The adult chinstraps' flippers are black with a white edge; the inner sides of the flippers are white. The face is white extending behind the eyes, which are reddish brown; the chin and throat are white, as well, while the short bill is black. The strong legs and the webbed feet are pink. Its short, stumpy legs give it a distinct waddle when it walks. The chinstrap penguin's black back and white underside provide camouflage in the form of counter-illumination when viewed from above or below, helping to avoid detection by its predators.
'''([[Antarctic krill|Full Article...]])'''
 
'''([[Chinstrap penguin|Full Article...]])'''

Latest revision as of 22:23, 1 January 2026

Antarctic krill.jpg

Antarctic krill is a species of krill found in the Antarctic waters of the Southern Ocean. It is a small, swimming crustacean that lives in large schools, called swarms, sometimes reaching densities of 10,000–30,000 individual animals per cubic meter. It feeds directly on minute phytoplankton, thereby using the primary production energy that the phytoplankton originally derived from the sun in order to sustain their open ocean life cycle.

It grows to a length of 6 cm, weighs up to 2 grams, and can live for up to six years. It is a key species in the Antarctic ecosystem and is, in terms of biomass, probably the most abundant animal species on the planet. In 2019, the Antarctic krill was featured on a stamp of Westarctica to celebrate its role as a vital part of the Antarctic ecosystem.

(Full Article...)

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