* Butterflies: Yes, most butterflies are diurnal, meaning they are active during the day. They rely on sunlight for warmth and to see well.
* Honeybees: Yes, honeybees are also diurnal. They forage for nectar and pollen during the day.
* Squirrels: Yes, squirrels are generally diurnal. They are active during the day and often sleep at night.
So the answer is YES, butterflies, honeybees, and squirrels are all diurnal.