Based on 4,189 research-grade iNaturalist observations in Arizona, Costa's Hummingbird is most often recorded in March; in Arizona it behaves like a seasonal. It ranks #31 among birds recorded in the state in our data.
Calypte costae
Costa's Hummingbird in Arizona 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 Arizona in March
Mourning Dove
Gambel's Quail
House Finch
Vermilion Flycatcher
Gila Woodpecker
Curve-billed Thrasher
Anna's Hummingbird
Great-tailed Grackle
Places to look in Arizona
Botanical GardenDesert Botanical Garden
National ForestCoronado National Forest
State ParkBoyce Thompson Arboretum
National ForestTonto National Forest
State ParkYuma Territorial Prison
National ForestApache–Sitgreaves National Forests
FAQ
When does Costa's Hummingbird appear in Arizona?
Mainly October–May, with the most records in March.
How common is Costa's Hummingbird in Arizona?
It ranks #31 by number of iNaturalist observations among birds in Arizona (4,189 records in our sample).