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Chinstrap penguin. Penguins are birds in the family Spheniscidae in the monotypic order Sphenisciformes. [1] They inhabit high-productivity marine habitats, almost exclusively in the Southern Hemisphere; the only species to occur north of the Equator is the Galapagos penguin.
Galápagos penguins have a lifespan ranging from 15 to 20 years, but because of environmental factors and predation, their life expectancy is reduced. They are listed on the IUCN Red List of Threatened Species as Endangered. [3] Their mean population size from the years 1993-2003 was an average of 1,500. [16]
[44] [5] [45] In August 2010 the Humboldt penguin of Chile and Peru, was granted protection under the U.S. Endangered Species Act. [46] Most penguins breed within protected areas. [45] Peruvian legislation categorises the species as endangered and prohibits the hunting, possession, capture, transportation and export of the bird for commercial ...
The smallest penguin species is the little blue penguin (Eudyptula minor), also known as the fairy penguin, which stands around 30–33 cm (12–13 in) tall and weighs 1.2–1.3 kg (2.6–2.9 lb). [7] Today, larger penguins generally inhabit colder regions, and smaller penguins inhabit regions with temperate or tropical climates.
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. [1] [2]
With a mean body mass in males of 6.38 kg (14.1 lb) (sample size 22) and females of 5.4 kg (12 lb) (sample size 22), the erect-crested penguin is the largest of the crested penguin species and as the fourth heaviest extant penguin, being nearly as heavy on average as the gentoo penguin. [7]
The Humboldt penguin population has dramatically decreased in areas along the central coast of Chile, making them one of the most vulnerable of the world's 18 penguin species and putting them at ...
Magellanic penguin on Argentina's coast Skeleton of a Magellanic penguin. Magellanic penguins are medium-sized penguins which grow to be 61–76 cm (24–30 in) tall and weigh between 2.7 and 6.5 kg (6.0 and 14.3 lb). [3] The males are larger than the females, and the weight of both drops while the parents raise their young.