That came as a surprise because Bornean orangutans are thought to be virtually vegetarian. Orang-utans were strongly opportunistic foragers with the composition of their diet varying markedly from month to month.


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The orangutan diet is made up of bark leaves flowers a variety of insects and most importantly over 300 kinds of fruit.

Bornean orangutan diet. But their heavy dependence on plants for food does not mean that they are herbivores since insects particularly termites ants and crickets are also eaten by these great apes. The percentage of time devoted to feeding during mast fruitings when the orangutans foraged almost exclusively on fruits was lower than during seasons when the orangutan diet included leaves and bark as well as fruits. Bornean orangutans are frugivorous eating forest fruits shoots leaves insects sap vines birds eggs spiders webs fungi flowers bark and sometimes nutrient rich soils.

Although fruit comprises most of the orangutans diet they still require other nutrients as part of their daily intake. Their diet varies from month to month depending on the fruits that are ripening at that time. Nonetheless it shows up in traditional dishes or can be eaten raw as the Bornean orangutan prefers.

Bornean orangutans have been documented eating more than 500 plant species as part of their diet. The Bornean species exists on the island of Borneo primarily on the eastern and southern coasts. They rarely eat eggs and small vertebrates.

Bornean orangutans eat over 400 types of food including fruit leaves bark flowers and insects. The Sumatran subspecies exists in you guessed it Sumatra. The Bornean orangutan diet consists of over 400 kinds of meals together with wild figs durians Durio zibethinus and D.

Termites and ants are also part of their diet and a source of protein and to obtain minerals they sometimes eat soil. Although they prefer fruit they will also eat bark leaves flowers honey insects and also. They have also been known to consume the inner shoots of plants and vines.

Orangutans spend up to six hours a day eating or foraging for food. Studies have shown that orangutans could feed on up to 11000 calories per day in high fruit seasons. When fruit feeding and availability decreased orangutans fed primarily on leaves of Spatholobus and Ficus and the bark of Spatholobus and dipterocarp.

The Sumatran oraguntan eats more fruits and insects than the Bornean 14. During some months fruit was not the major component of. During most months orangutans fed on a complex mix of fruit leaves bark insects and small vines.

Fruits make up more than 60 of their total dietary. WWF has developed scientifically rigorous assessment tools and plans to manage orangutan landscapes. Flowers and barks are also consumed.

They mainly eat fruit but also occasionally munch on leaves flowers bark and small insects. Orangutan diet consists primarily of fruit shoots seeds leaves bark insects 10 nuts and honey. Largely frugivorous when it is abundant the fruit will make up as much as 90 of their diet supplemented with leaves shoots seeds buds flowers bark insects and mineral-rich soil and occasional instances of meat-eating Morris 2008.

They receive a mixture of sugars and fats from fruit carbohydrates from leaves and protein from nuts. Unfortunately habitat destruction has restricted them to the northwestern tip of the island. These items constitute majority of their diet and apart from these items leaves tree bark and fruit are also eaten by them.

Orangutans are large-bodied animals that must eat large amounts of high-calorie foods. Bornean Orangutan Diet In most of cases they eat lychees mangoes when available and figs. Their diet composition varies monthly as they are strong opportunistic foragers 15.

Graveolens leaves seeds bird eggs flowers honey bugs and to a lesser extent than the Sumatran orangutan bark. Diet of the Orangutan. Graveolens leaves seeds bird eggs flowers honey insects and to a lesser extent than the Sumatran orangutan bark.

The Bornean orangutan diet is composed of over 400 types of food including wild figs durians Durio zibethinus and D. Apart from fruits orangutans also consume other parts of plants such as young leaves and shoots which constitute approximately 25 of their diet. They eat mostly ficus fruits fruits with a lot of sugar and pulp which are easy to digest.

Finally the Tapanuli species ranges only in South Tapanuli in Sumatra. Mothers teach their babies what food to eat in which trees to find it and in what season. Studies show that Bornean orangutans can survive in logged forests if the impact of logging is reduced through selective logging keeping fruit trees intact and controlling hunting.

60 of their diet is made up of fruits particularly wild figs and durians a type of tree fruit.


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