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Rabbits may appear to be crepuscular, but many species [26] are naturally inclined towards nocturnal activity. [98] In 2011, the average sleep time of a rabbit in captivity was calculated at 8.4 hours per day; [99] previous studies have estimated sleep periods as long as 11.4 hours on average, undergoing both slow-wave and rapid eye movement sleep.
The distinction is not absolute, because crepuscular animals may also be active on a bright moonlit night or on a dull day. Some animals casually described as nocturnal are in fact crepuscular. [2] Special classes of crepuscular behaviour include matutinal, or "matinal", animals active only in the dawn, and vespertine, only in the dusk.
Eastern cottontails are crepuscular to nocturnal feeders; although they usually spend most of the daylight hours resting in shallow depressions under vegetative cover or other shelter, they can be seen at any time of day. [13] Eastern cottontails are most active when visibility is limited, such as rainy or foggy nights. [4]
Ipomoea alba is a vespertine plant in the morning glory family, Convolvulaceae. Like many night-blooming plants, it is moth pollinated. A bat flying at dusk. Vespertine is a term used in the life sciences to indicate something of, relating to, or occurring in the evening. In botany, a vespertine flower is one that opens or blooms in the evening ...
For an animal whose diet mainly consists of grass, there are a lot of outdoor plants that they should not eat. Dr. Rebecca MacMillan advises that rabbits should avoid most outdoor plants as they ...
Crepuscular, a classification of animals that are active primarily during twilight, making them similar to nocturnal animals. Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night.
Diurnality is a form of plant and animal behavior characterized by activity during daytime, with a period of sleeping or other inactivity at night. The common adjective used for daytime activity is "diurnal". The timing of activity by an animal depends on a variety of environmental factors such as the temperature, the ability to gather food by ...
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