auditory
When a member of a certain species competes against another type or member of the same/different species altogether for a certain primary recourse
All possum species are nocturnal.
most colorful species are not nocturnal.
Most species of gecko are nocturnal, however, there are also many species of gecko that are diurnal.
All seven species of pademelon are nocturnal.
All species of tarsier are nocturnal, but do occasional come out during the day.
All four quoll species in Australia are nocturnal.
Yes. All of the kangaroo species are nocturnal.
it depends on the species
It depends on the species. Some are nocturnal, some are diurnal.
"Fish" is a general term covering lots and lots of different species. Some of those species are nocturnal, others are diurnal.
Many species of dolphins are nocturnal, meaning they are active at night. Those nocturnal species feed at night. Other species sleep or rest during the nighttime hours.