Fun Fact: Did you know that orangutans are the largest tree-dwelling mammals on Earth? These creatures spend most of their lives high up in the rainforest canopy, rarely touching the forest floor.

Fun Fact: Did you know that orangutans can travel up to 100 feet in a single swing? These incredible acrobats use their long arms and strong hands to navigate the dense rainforest.

Fun Fact: Did you know that the Tapanuli orangutan is the newest great ape species2? In 2017, experts officially recognized it as a distinct species. With only 800 individuals in the wild, they are also the world's rarest apes.

Fun Fact: Did you know that Siamang gibbons are the largest among the gibbon species? They can be twice as large, reaching up to 3.3 ft.

You can find the Hoolock gibbon in the lush forest canopies of Northeastern India, Bangladesh, Myanmar, and China. Moreover, they are the only apes native to India, dancing amid the trees with agility.

The first rare butterfly we are starting with is the kaiser-i-hind butterfly, also known as the Emperor of India. It is a rare species of swallowtail butterfly native to the Eastern Himalayas- Assam, Meghalaya, Manipur, West Bengal, and Sikkim.

Queen Alexandra’s Birdwing is next on our list of rare butterfly species. Albert S. Meek discovered this species in Papua New Guinea in 1906. He was a naturalist to Walter Rothschild, who named the butterfly after the wife of Edward VII, Queen Alexandra of Denmark.

Zebra Longwing , the state butterfly of Florida, is a neotropical butterfly native to Mexico, Central America, Florida, and some parts of Texas. It has long black wings with bold and narrow yellow stripe and a wingspan of 72 to 100 mm.

Next on our list of rare butterflies is Lange’s metalmark butterfly. Its flight period starts in early August and goes up until mid or late September. Lange’s metalmark is a small butterfly with a wing length of about 25 mm. Its wing colors are orange and brown, with white spots, while its hindwings are gray-brown.

Bhutan Glory is an endangered butterfly native to the eastern Himalayas (north-eastern India and Bhutan) and the Hengduan Mountains (south-western China and Myanmar). There are four subspecies of Bhutan glory: Ludlow’s Bhutan Glory, Mansfield’s Bhutan Glory, and Chinese Bhutan Glory.