How is the call of the Red-breasted Nuthatch typically described in contrast to the White-breasted Nuthatch?

Answer

Higher-pitched and softer

The Red-breasted Nuthatch possesses a call that is generally softer and higher in pitch compared to the lower and more emphatic vocalization characteristic of the White-breasted Nuthatch.

How is the call of the Red-breasted Nuthatch typically described in contrast to the White-breasted Nuthatch?
birdfaunadistributionNuthatch