Are Deer Nocturnal? Deer are not strictly nocturnal but rather crepuscular animals. Crepuscular animals are known for their matutinal and vespertine sleep patterns, with peak activity during dawn and dusk. They exhibit unique sleeping movements during these times. Nocturnality, often confused with crepuscular behavior, specifically refers to animals active during the night. Deer, on the … Continue reading Are Deer Nocturnal or Just Really Good at Hide and Seek?