An estimated 22,000 species of moth call Australia home, and most are nocturnal, although some are diurnal (day active) or crepuscular (active at dawn and dusk). Many species feed on flower nectar ...

But for the nocturnal hunter, it has paid off ... and an even smaller number of crepuscular animals that come out in the twilight of dusk and dawn. That most mammals have adapted to the dimness ...

It grows to about three feet long, not including its tail, and weighs around 30 pounds. It is described as crepuscular and nocturnal, spending the day resting under heavy brush. HABITAT: This species ...

Most woodland owls are nocturnal or crepuscular – active at dawn and dusk – and like to tuck themselves away in a daytime roost. During 40 years as a gamekeeper, I enjoyed lots of encounters, ...