Sentences with phrase «male orangutan»
Not too far from the boundary of the forest camp, a male orangutan crashed through the trees and then bellowed a long call that carried for over a mile.
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Then, in 2013, villagers killed an adult male orangutan after it invaded a garden.
Even more surprising is that the attacking female used a male orangutan as a «hired gun» to help corner and attack the victim, the scientist said.
The attacking female used a male orangutan as a «hired gun» to help corner and attack the victim in what scientists say is the first observed incident of lethal aggression among orangutans
Even more extraordinary is that the perpetrator recruited a male orangutan as a hired gun to help her corner and attack the victim.
Comparisons with skeletons of 33 Sumatran and Bornean male orangutans revealed a range of differences in the skull and teeth of the Tapanuli ape, including a distinctively narrow palate and a relatively short jaw joint.
When biologists talk about male orangutans «realizing» that they have less to lose in mating than females, or female scrub jays «calculating» exactly when to abandon their young to a caring father, they're speaking metaphorically.
To study how these two types of males fare reproductively, a research team led by Graham L. Banes and Linda Vigilant of the Max Planck Institute for Evolutionary Anthropology followed the male orangutans of Tanjung Puting National Park for eight years.
Not exact matches
She and her colleagues offered their cocktails to a 21 - year - old male Sumatran orangutan named Naong, who lives in Sweden's Furuvik Zoo.
«Orangutans: Lethal aggression between females: First report on male - female alliances in deadly fight between female individuals.»
Before this observation, lethal fights between females had never been observed in orangutans; in other primates such fights occur mainly between males, according to Anna Marzec of the University of Zurich in Switzerland.
«This is quite unexpected, as in wild orangutans males and females have never been reported to form coalitions before,» says Marzec.
Plus Tapanuli males» long calls are 21 seconds longer than Bornean males», and they pitch their roars at a higher maximum frequency than Sumatran orangutans do.
In species that favor multiple partners, like gorillas or orangutans, males can be more than 50 percent larger than females, apparently to help them fight off other males.
They only studied one cheek - padded male (to study more, they'd have to have observed more than one group of orangutans) but he did father more offspring than any of his non-padded contemporaries.
Extensive computer modelling aimed at reconstructing the population history of orangutans, revealed that the Batang Toru population appears to have been isolated from all other Sumatran populations for at least 10 - 20» 000 years, after which the low levels of influx of males from the northern populations had ceased.
On a data sheet of orangutan skulls from the Berlin Museum I found measurements of a late juvenile male (about equivalent in dental eruption stage to Le Moustier), about 7 years old, and took two adults at random from the same sheet.
By analyzing the skulls of male gorillas and orangutans, scientists are learning about the social structures created by our extinct hominin relatives.
In Bornean orangutans, males get their crest in mid-adulthood during a secondary growth spurt.
Future studies, including data from larger sample sizes of wild - born and geographically well - defined individuals, and full Y - chromosome sequences from bonobos, gorillas and orangutans, promise to further our understanding of population histories, male - biased behaviours, mutation processes, and the functions of Y - chromosomal genes.
Their findings showed that in male gorillas and orangutans, the need for larger chewing muscles alone could not explain crest formation.
«The Jungle Book» also stars Scarlett Johansson as the hypnotizing python Kaa, Christopher Walken as the smooth - talking orangutan King Louie, Lupita Nyong» o as the protective mother wolf Raksha and Giancarlo Esposito as the wolf pack's alpha male Akela.