Did you know that The Mandan and Arikara are the Hidatsa's allies?
You may or may not be asking yourself "what language did they speak?" Well here is the answer they spoke there native language that know other tribe could understand. Like for example dosha (doh-shah) means hello in Hidatsa.
There religion was interesting because they believed in the great spirit Manitou.
They had quite a few traditions here are two of them... They would celebrate Pehriska-Rupha meaning "two ravens" "the great warrior". Two Indians dressed up in Raven suites to Pehriska-Rupha.
What are the roles of the hidatsa family?
In the Hidatsa tribe the men hunted and went to wars to protect their families. The men were also the only ones who could become chiefs. The women on the other hand farmed, cooked, and mostly took care of the kids. By now you might be wondering what the kids do and here is your answer the kids mostly hunt and fish with their fathers.
The resources I used are... Warpaths2peacepipes.com and Big Orrin