Vultures play a highly important ecological role through the rapid consumption of animal carcasses. They also have an important cultural role in the consumption of human dead bodies in sky burials within Nepal and Tibet.

The Demoiselle Crane (Grus virgo Linnaeus, 1758), 90-100 cm tall bird, has a wide global distribution. Breeding population is distributed in six main populations such as 1) North West Africa/Atlas, 2) Black Sea, 3) Turky, 4)Kalmykia, 5)Kazakastan/Central Asia and 6) Eastern Asia. East Asian breeding population is distributed in Mangolia, Sibaria and China.

Bengal Florican Houbaropsis bengalensis is a habitat specialised bustard, dependent upon alluvial grassland habitat of terai region. It is restricted to two small and disjunct populations, one in the Terai region of India and Nepal, and the other in Cambodia with global population250-999 mature individuals. In Nepal it is restricted only in Koshi Tappu Wildlife Reserve, Bardia National Park, Chitwan National Park and Suklphanta Wildlife Reserve.