circannual [sur-kan-yoo-uh l] WORD ORIGIN adjective Biology. noting or pertaining to a biological activity or cycle that recurs yearly. Liberaldictionary.com
What It Really Means to Call Someone “Crude” Can You Translate These Famous Phrases From Emoji? These Are the Longest Words in English These Are the Saddest Phrases in English Origin of circannual First recorded in 1970–75; circ(a) + annual Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Circannual rhythm in activity duration of Indian cliff swallow, H. fluvicola. The fitted line represents the best fit Cosine curve (t u003d 12 month).
University of Glasgow Research Institutes Institute of Biodiversity, Animal Health & Comparative Medicine Our staff Dr Barbara Helm Barbara Helm
Circannual rhythms in birds. The figure shows four different species kept under a wide range of day length conditions: three songbirds (a f ) and one
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