IELTS Anvil

diurnal

CEFR: C2

Active primarily during daylight hours; or recurring every day in daily biological circadian rhythms.

Synonyms

circadian
day-active

Common Collocations

diurnal cycle
diurnal rhythm
diurnal animals

Example Sentence

Unlike nocturnal owls, raptors such as falcons are diurnal hunters that navigate by thermals and visual landmarks.

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