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It is also one of the longest-living animals of any type, with a typical lifespan of 140 years; [4] the oldest has been recorded at 179 years old. [5] The precise longevity of geoducks can be determined from annual rings deposited in the shell which can be assigned to calendar years of formation through crossdating.
The 100 species with longest life-spans recorded and verified [1] This is a list of the longest-living biological organisms: the individual(s) (or in some instances, clones) of a species with the longest natural maximum life spans. For a given species, such a designation may include:
Long Boi (before 2018 – April 2023) was an unusually tall male duck that lived by Derwent College, University of York, England. He was thought to be an Indian Runner duck-Mallard cross, standing out among the other ducks on the campus due to his height. He went viral and became an internet meme in 2021. His popularity saw him become an ...
Clangula, long-tailed duck (1 species) Bucephala, goldeneyes (3 species) Mergellus, smew; Lophodytes, hooded merganser; Mergus, mergansers (4 living species, 1 extinct). Tribe: Oxyurini, stiff-tail ducks (a small group of 3–4 genera, 2–3 of them monotypic, with 7–8 living species) Oxyura, stiff-tailed ducks (5 living species)
The largest species of Sphenisciformes is the emperor penguin (Aptenodytes forsteri) of the Antarctic, with a maximum height of 1.35 m (4.4 ft) and a weight of 46 kg (101 lb). [44] The next largest living species is the king penguin, which grows to a maximum of 1 m (3.3 ft) in height and 18 kg (40 lb) in weight. [139]
This may be due to the fact that with proper treatment, captivity can provide refuge against diseases, competition with others of the same species and predators. Most notably, animals with shorter lifespans and faster growth rates benefit more from zoos than animals with higher longevities and slow growth rates. [2]
The musk duck (Biziura lobata) is a highly aquatic, stiff-tailed duck native to southern Australia.It is the only living member of the genus Biziura.An extinct relative, the New Zealand musk duck or de Lautour's duck (B. delautouri), once occurred on New Zealand, but is only known from prehistoric subfossil bones.
The mandarin duck (Aix galericulata) is a perching duck species native to the East Palearctic. It is sexually dimorphic - the males are elaborately coloured, while the females have more subdued colors. [3] It is a medium-sized duck, at 41–49 cm (16–19 in) long with a 65–75 cm (26–30 in) wingspan.