This is different from how the rods of non-nocturnal animals or humans work. Night Creatures. 1 of 22. Galapagos giant tortoises rest in a pool of mud in Volcan Alcedo’s crater on Isla Isabela.

Animals that live near human activity are becoming nocturnal just to avoid us, and the implications for ecosystems around the world could be huge. A team of researchers conducted a meta-analysis ...

Animals like rabbits, house cats and deer are neither nocturnal nor diurnal. Instead, they're crepuscular. Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...

Examples of nocturnal animals include aardvarks, bats and owls, according to Active Wild. The opposite of nocturnal is diurnal. Humans, who function mainly in the daylight, are diurnal.