Relates to animals whose peak activity is during the twilight hours of dawn and dusk.
Active or primarily active at the time around dawn or dusk (Morris 1992).
species which are active during the twilight of dawn and dusk are said to be crepuscular.
twilight active. Some animals that are crepuscular are rodents, fish, and certain birds.
Active primarily during dawn and dusk hours of the day
Appearing or active at twilight. Search for more information...
Active at dawn or dusk. See nocturnal, diurnal.
Of animals having a twelve-hour cycle and which are usually active around dusk and dawn.
like twilight; dim; "the evening's crepuscular charm"
active at dusk or sometimes daybreak.
Active primarily near dawn and dusk.
Refers to animals that are active near sunset and sunrise, but not during the day or night.
active during the morning and evening period
Describes the behavior of being active during twighlight hours(dusk or dawn)
A creature which predominantly becomes active at dusk or before dawn.
awake at dawn and dusk - eg. ring tail lemurs
active at twilight or dawn
Times in the morning and evening when it is between daylight and dark. Crepuscular times are when some animal species are most active, including Eastern Gray Squirrels and White-tailed Deer.
Becoming active at twilight or before sunrise. Diurnal: Active during the day. Estivate: To pass the summer in a dormant or torpid state. Estrus: The periodic state of sexual excitement in the female of most mammals, excluding human beings, that immediately precedes ovulation and during which the female is most receptive to mating; heat.
A bird which flies at dawn and dusk in the half light.
An animal that is most active during the hours of dawn and dusk. Deer are a good example.
Most active at dawn and twilight.
active in twilight (dawn and dusk)
Active during the evening and early morning hours.
Active during twilight hours - dawn and dusk.
Pertaining to twilight; describing an animal active at dusk or dawn.
An animal that hunts during the night.
animals that are active during the twilight hours
Becomes active at dusk, dawn, and twilight.
active during the morning and afternoon
Rays of sunlight that occur during twilight (before sunrise or after sunset) which appear to converge at the sun (below the horizon).
An animal that is active between dusk and dawn.
being active during twilight hours - dawn or dusk.
active during twilight hours e.g. Nighthawk
active during the early morning and evening
Times in the morning and evening when it is between daylight and dark. Crepuscular times are when some animal species are most active. Stag beetles, most moths and bats are often seen in the evening.
having activity periods during low light levels at dawn and evening
active on dusk or between day and night
An animal that is most active duri...