What does "crepuscular" mean?
Crepuscular: (Zoöl.) Flying in the twilight or evening, or before sunrise; -- said certain birds and insects. Others feed only in the twilight, as bats and owls, and are called crepuscular. Whewell.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00