What Does Nocturnal Mean?

Answer

Nocturnal is defined as sleeping during the daytime and being active at night. For example, nocturnal animals hunt or graze and carry out other life activities during the night-time hours.

Beavers, hyenas, raccoons, gerbils and kangaroos are examples of nocturnal animals. Diurnal is the opposite of nocturnal and refers to being active during the day and sleeping at night. Humans are normally diurnal. Crepuscular refers to animals that are most active during the morning and evening twilight periods and sleep both during the day and at night. Bats, rabbits, rats and skunks are crepuscular. Some animals that are typically diurnal exhibit nocturnal behavior in certain places or at certain times of year as a means of protecting themselves or their young.

1 Additional Answer
Ask.com Answer for: what does nocturnal mean
noc·tur·nal
[nok-tur-nl]
ADJECTIVE
1.
of or pertaining to the night (diurnal).
2.
done, occurring, or coming at night: nocturnal visit.
3.
active at night (diurnal): nocturnal animals.
4.
opening by night and closing by day, as certain flowers (diurnal).
NOUN
5.
Archaic. an astrolabe for telling time at night or for determining latitude by the position of certain stars in reference to Polaris.
Source: Dictionary.com
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