The Monthly Species: March


March has come and gone and here’s this months species. They are my favourite species from this particular group so I had to include them this year. Its the Sumatran orangutan!

Sumatran Orangutan

Scientific Classification:

Scientific Name : Pongo abelii

Kingdom: Animalia

Phylum: Chordata

Class: Mammalia

Order: Primates

Family: Hominidae

Genus: Pongo


Male orangutans grow to about 1.4m and weigh around 90kg. The females are smaller.


Orangutans have a diet consisting of five categories:

  • Fruits
  • Insects
  • Leaf material
  • Bark
  • Other miscellaneous items

They find water from natural bowls created in the trees but have also been known to drink the water from the hair on their arms when rainfall is heavy.

Life Expectancy:

Orangutan species can live for decades. The oldest known orangutan lived until the age of 55.

Male orangutans live mostly alone and female orangutans live with their offspring although it is suggested that sumatran orangutans have stronger ties than bornean orangutans.


There current population is about 7,300 individuals and they are considered to be critically endangered.  This is because of deforestation and also illegal animal trade. They are an endemic species coming only from Sumatra. There are 9 populations unfortunately only 7 are deemed viable for a gain in the population.

The Coolest Thing Ever About This Species:

You’ll rarely find sumatran orangutans on the ground. Female orangutans exclusively travel through the trees and the males rarely come too travel on the ground.

ThatBiologist Everywhere!





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