- Caprimulgiformes
- Caprimulgidae
lelek sumaterský Caprimulgus concretus
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Určování
Small dark-brown nightjar of lowland forests. Bright white bib often noticeable. Male has silvery-white tips to the outer tail feathers; both sexes lack white in the wings. Nocturnal and extremely rarely encountered by day, when it roosts in thick, tangled foliage. Frequently hawks from a perch. Listen for its strange, mooing moan: “wuoOOOhwwhh”.