Owls are nocturnal and do not hoot in the daytime.
This film does not come close to the book which took years to write. Do justice to the true story and read it.
Some of the men have belt loops on their trousers but belt loops were not invented until 1922.
In the scene in which Mary, Tommy and Betty are welcomed into the lodge with the Shawnee woman, Mary confides that she has little breastmilk for her newborn baby (likely due to malnutrition while in captivity). The woman gives her fennel seeds, which Mary then appears to feed directly to the baby. Seeds of any sort are never safe to feed to an infant. While fennel promotes lactation and eases colic, the best utilization is either the mother eating them or making a tea to give to the baby in very small doses.