Bomdeling is a wetland located to the north of Chorten Kora. It is the winter habitat of the endangered Black Neck-Crane, which has been revaluated as vulnerable on the IUCN Red List of Threatened Species. Every year, they fly from Tibet and stay in Bomdeing to pass the whole winter. It is one of the four places in Bhutan, where this black neck crane bird come in winter as their winter residence, Phobjikha, Bumthang, Gyatsha.