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Anacondas or water boas are a group of large boas of the genus Eunectes.They are a semiaquatic group of snakes found in tropical South America.Three to five extant and one extinct species are currently recognized, including one of the largest snakes in the world, E. murinus, the green anaconda.
The green anaconda (Eunectes murinus), also known as the giant anaconda, emerald anaconda, common anaconda, common water boa, or southern green anaconda, is a semi-aquatic boa species found in South America and the Caribbean island of Trinidad. It is the largest, heaviest, and second longest snake in the world, after the reticulated python.
The northern green anaconda (Eunectes akayima) is a disputed boa species found in northern South America and the Caribbean island of Trinidad.It is closely related to Eunectes murinus, the (southern) green anaconda, from which it was claimed to be genetically distinct in 2024.
Researchers examining southern right whales found that the median life span for the species was 73.4 years, and that 10 percent of individuals survived past 131.8 years.
A video shared online shows the scale of these 20-foot-long (6.1-meter-long) reptiles as one of the researchers, Dutch biologist Freek Vonk, swims alongside a giant 200-kilo (441-pound) specimen.
Jiroemon Kimura (†116 years, 54 days), a Japanese man, died on 12 June 2013. He holds the record for the oldest ever male human. The oldest known person alive today is Inah Canabarro Lucas, a Brazilian woman, at 116 years, 241 days (born 8 June 1908). These are single examples; for a broader view, see life expectancy (includes humans).
Life expectancy at birth was 78.4 years for the total U.S. population in 2023, according to the report released Thursday, an increase of nearly a full year from 77.5 years in 2022. The report ...
Life expectancy by world region, from 1770 to 2018. This is a list of countries showing past life expectancy, ranging from 1950 to 2015 in five-year periods, as estimated by the 2017 revision of the World Population Prospects database by the United Nations Population Division. Life expectancy equals the average number of years a person born in ...