Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night. read more
Some large and dangerous animals, when grown, are not bothered by much of anybody. Grizzly Bear, Asian and African Elephant, Rhinoceros, Hippopotamus, but as babies, any of them can be eaten. read more