Costa's Hummingbird (Calypte costae) is a small (9 cm) hummingbird with a bright purple cap and throat (males). They can be found in deserts and other scrub habitats of the southwestern U.S. and northwestern Mexico in desert scrub, sage scrub, and chaparral habitats. In New Mexico, they are occasional breeders in Guadalupe Canyon in Hidalgo County. They eat nectar and small arthropods.