How do you know an animal is nocturnal?

Answer 1

It is night when the stars are out and you can`t see the sun Right after dusk and before dawn it is night.

Answer 2

Animals are typically considered nocturnal if they are active at night and sleep during the day. Some physical adaptations of nocturnal animals include large eyes, keen sense of smell, and specialized fur or feathers for stealth and warmth during nighttime activities. Additionally, research and observation of an animal's behavior over time can help determine if it is nocturnal.

Answer 3

Because Noctournal animals come out at night . An owl for instance