Crepuscular activity refers to the behavior of animals that are most active during those twilight times just before dark or ...

Moderate temperatures: In some areas, being active during twilight lets animals avoid the extreme heat of typical hours. Avoiding predators: Twilight can offer a safer window to be active.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Rudolf Eickemeyer, Jr. (1862–1932) ...

There are nocturnal animals (active at night) and diurnal animals (active during the day). But what about those animals that are most active during dawn or dusk? The animals that are busy during ...