Small songbirds, including a white-breasted nuthatch, feeding on seeds from a backyard bird feeder

Eurasian nuthatch feeding its chicks in a nest

Hand feeding Piper, the brown-headed Nuthatch. | Sophie's backyard wildlife

Red-breasted Nuthatch Identification, All About Birds, Cornell Lab of Ornithology

Guide to Putting Up Nest Boxes

Pygmy Nuthatch Identification, All About Birds, Cornell Lab of Ornithology

This bird checked its nesting cavity

Nesting Birds in the Wild – Eurasian Nuthatch (Sitta europaea)

White-breasted Nuthatch Mating, Nesting Habits - The Upside Down Bird