They can occasionally be found in mixed flocks, but do not follow them.
However, even of commonly-participating families not all species join mixed flocks.
These birds are permanent residents and often join small mixed flocks in winter.
Outside of the nesting season they often forage in small mixed flocks.
Mixed flocks stay together because the chickadees call out whenever they find a good source of food.
As a result, they tend to get bullied in a mixed flock for being so gentle and friendly.
It often roosts in mixed flocks with other members of the weaver family.
Outside of the nesting season, these birds forage in mixed flocks.
I've had a few different breeds over the 8 years of keeping them in small mixed flocks of 3-4.
It is solitary while nesting, but forms mixed flocks after breeding.