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While the elephant brain is larger overall, it is proportionally smaller than the human brain. At birth, an elephant's brain already weighs 30–40% of its adult weight. The cerebrum and cerebellum are well developed, and the temporal lobes are so large that they bulge out laterally. [77] Their temporal lobes are proportionally larger than ...
The savanna elephant populations fell by about 70% on average at the surveyed sites and the forest elephant populations dropped by about 90% on average at the surveyed sites, with poaching and ...
Reliable data about the true number of African forest elephants is difficult to come by due to their thick forest habitats, but estimates suggest that their population is around 150,000, meaning ...
The size and population of weta are affected by predation. Rats introduced on the mainland began to prey on weta, reducing their population; weta shrank in response. On an island isolated from predation, such as Little Barrier Island, weta have a dense population and have grown to a massive size. Insular species of giant weta are the only ones ...
Charismatic species are often used as flagship species in conservation programs, as they are supposed to affect people's feelings more. [2] However, being charismatic does not protect species against extinction; all of the 10 most charismatic species are currently endangered, and only the giant panda shows a demographic growth from an extremely small population.
A 2015 study alternately suggested that fully grown African forest elephant males in optimal condition were only on average 2.2 metres (7.2 ft) tall and 2,000 kilograms (4,400 lb) in weight, with the largest individuals (representing less than 1 in 100,000 as a proportion of the total population) no bigger than 2.75 metres (9.0 ft) tall and ...
Common name Binomial name/Trinomial name Population Status Trend Notes Image African bush elephant: Loxodonta africana: 352,000 [1]: EN [1] [1]The population has been reduced dramatically (african elephant populations in 18 countries declined by ~30%) since a mass ivory sell off by southern african countries in the early 2000's to present time.
Botswana is fed up. The country is home to almost a third of the world's savanna elephants, a population that has tripled since 1984, and Botswana is often hailed as a conservation success.. But ...