crested serpent eagle, spilornis cheela, royal bardia national park

animal asia bardia bardiya beak biodiversity biology bird birder birding birdlife birdwatcher birdwatching carnivore cheela conservation crested eagle ecology ecosystem ecotourism environment fauna feathers forest free green habitat hunter national nature nepal ornithology park plumage portrait predator reserve royal sanctuary serpent spilornis wild wildland wildlife wings zoology