No
Many are nocturnal but some are diurnal.
nocturnal Apparently, there are diurnal and nocturnal species of grasshoppers, but most are diurnal. See Related Links.
Jaguarudi's are both nocturnal and diurnal.
Most Blacks, like the rest of humanity are diurnal. There is a minority who work at night and therefore have a nocturnal schedule.
The term opposite of nocturnal is "diurnal." (active mostly during the day).The opposite of nocturnal is diurnal.
The West Indian Manatee is diurnal it is not nocturnal.
Dingos can be both nocturnal and diurnal. Whether they are nocturnal or diurnal, usually depends on the climate where the dingo lives.
diurnal.
Diurnal diurnal
diurnal
diurnal
Diurnal