Montana Public Radio

insects in winter

How Do Ants Keep Warm In Winter?

Feb 9, 2020
red wood ant mound
Thue (PD)

On a recent stroll around a local bird refuge, I was struck by the appearance of a large ants’ nest, covered with a thatch of pine needles. The type of ants who construct these nests are called “mound builders,” and this particular mound was made by red wood ants. What do they do to survive the cold, I wondered?