Its geographical location falls under the Indo-Burma biodiversity hotspot, and is therefore rich in animal and plant species.
According to Mara legend the location area was originally a big village called Hnychao.
The village hunters caught the serpent using a gigantic fishing pole, and using a goat (or dog in other version) as a bait.
Among unique species are Nepal fulvetta, white-bellied yuhina, little spiderhunter, streaked spinderhunter, yellow wagtail, black-capped kingfisher, hooded pitta, spot-breasted scimitar babbler, and white-rumped munia, which are rarely seen in other parts of the region.
[11] In addition aquatic birds and wild ducks in Palak Dil are found nowhere else in Mizoram.
is declared by the Indian Ministry of Environment and Forests as a protected area under the Palak Wildlife Sanctuary.