Based on 1,588 research-grade iNaturalist observations in New Mexico, White-breasted Nuthatch is most often recorded in April; in New Mexico it behaves like a year-round resident. It ranks #31 among birds recorded in the state in our data.
Sitta carolinensis
White-breasted Nuthatch in New Mexico by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in New Mexico in April

American Robin
House Finch

Greater Roadrunner
White-winged Dove

Say's Phoebe
Black-chinned Hummingbird

Mallard

House Sparrow
Places to look in New Mexico
Carson National Forest
Lincoln National Forest
Santa Fe National Forest
Fort Stanton
Gila National Forest
National ForestCibola National Forest
FAQ
When does White-breasted Nuthatch appear in New Mexico?
Mainly March–February, with the most records in April.
How common is White-breasted Nuthatch in New Mexico?
It ranks #31 by number of iNaturalist observations among birds in New Mexico (1,588 records in our sample).