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"nocturnal animals are active at night" "nocturnal plants have flowers that open at night and close by day"adjectivebelonging to or active during the nightOpposite:
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"nocturnal darkness"of or relating to or occurring in the night
Definition that contains nocturnal
- bat nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate
- owl nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes
- possum nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America
- firefly nocturnal beetle common in warm regions having luminescent abdominal organs
- kiwi nocturnal flightless bird of New Zealand having a long neck and stout legs; only surviving representative of the order Apterygiformes
- anteater nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata
- hooter nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes
- ocelot nocturnal wildcat of Central America and South America having a dark-spotted buff-brown coat
- opossum nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America
- peccary nocturnal gregarious pig-like wild animals of North America and South America