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activediurnal

Activediurnal is an adjective used in biology and behavioral sciences to describe organisms or behavioral patterns characterized by sustained activity during daylight hours. The term signals more than waking during the day; it emphasizes daytime foraging, movement, or other activity that is notably vigorous or continuous. While diurnal is the standard umbrella term for day-active species, activediurnal is sometimes preferred when researchers want to stress the intensity of daytime activity or contrast with periods of reduced activity at night.

The word blends active with diurnal, the latter derived from Latin diurnus meaning “of the day.” Activediurnal

In practice, activediurnal patterns are associated with peak daytime activity in birds, mammals, insects, and flowering

is
not
a
universally
standardized
term
and
may
appear
mainly
in
descriptive
accounts,
field
notes,
or
educational
materials.
Because
it
is
not
a
formal
taxonomic
category,
its
precise
interpretation
can
vary
across
studies
and
organisms.
plants
whose
pollination
schedules
align
with
sunlit
hours.
It
is
commonly
contrasted
with
nocturnal
(night-active),
crepuscular
(dawn
and
dusk),
and
cathemeral
(irregular
day
and
night
activity)
patterns.
Related
terms
include
diurnal,
nocturnal,
crepuscular,
cathemeral,
and
chronobiology.