Hello, I'm an expert in the field of entomology and zoology, with a special interest in the behavior of terrestrial gastropods, such as slugs. Let's delve into the question of slug activity.

Slugs are indeed more active during the night, but it's not accurate to say they only come out at night.
Slugs are primarily nocturnal creatures, which means they prefer the cooler temperatures and higher humidity levels that night provides. This helps them to move more easily without the risk of desiccation, as they are very sensitive to dry conditions.

However, there are exceptions to this general behavior. Slugs may also venture out during the day, especially if the conditions are right. For instance, on a particularly damp and overcast day, you might see slugs out and about, even when the sun is up. Additionally, some species of slugs are more diurnal, or active during the day, than others.

Another factor to consider is the season. In the warmer months, slugs might be more likely to stay hidden during the day to avoid the heat and only come out at night when it's cooler. But in the cooler months, they might be more active during the day when the temperatures are more to their liking.

In summary, while slugs are predominantly nocturnal, they are not exclusively active at night. Their activity levels can be influenced by a variety of factors, including temperature, humidity, and the specific species in question.

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Slugs and snails hide in damp places during the day. They stay under logs and stones or under ground cover. They also hide under planters and low decks. At night they come out to eat.read more >>