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Flippers are one of the principal control surfaces of cetaceans (whales, dolphins and porpoises) due to their position in front of the center of mass, and their mobility which provides three degrees of freedom. [4] The tubercles on the flippers of humpback whales improve the hydrodynamics of the flipper at their size. Breaking up channels of ...
The emperor penguin (Aptenodytes forsteri) is the tallest and heaviest of all living penguin species and is endemic to Antarctica. The male and female are similar in plumage and size, reaching 100 cm (39 in) in length and weighing from 22 to 45 kg (49 to 99 lb). Feathers of the head and back are black and sharply delineated from the white belly ...
The majestic Emperor Penguin is most renowned for being the largest penguin species in the glacial habitat of Antarctica, widely recognized by the yellow patch on their neck. These endearing birds ...
While all the Spheniscus penguins are close to each other in size, the Humboldt penguin is the heaviest species in the genus, with 123 females weighing 4.05 kg (8.9 lb) on average and 165 males averaging 4.7 kg (10 lb). [12]
In 1938 an account was given of a little penguin found with its flippers tied together with fishing line. [135] In 1949, penguins on Phillip Island in Victoria became victims of human cruelty, with some kicked and others thrown off a cliff and shot at. These acts of cruelty prompted the state government to fence off the rookeries. [136]
The chinstrap penguin grows to a length of 68–76 cm (27–30 in) and a weight of 3.2–5.3 kg (7.1–11.7 lb), with the weight varying with the time of year. [3] Males are greater in weight and height than females. [5] The adult chinstrap's flippers are black with a white edge; the inner sides of the flippers are white.
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]
When Pesto last stepped on the scale just two weeks ago, he weighed in at 21 kg or about 46.3 lbs, at just nine months old, making him the biggest penguin chick Sea Life Melbourne Aquarium in ...