Appearance
The Tumbes hummingbird is 8 to 11 cm long and weighs about 4.5 g. The sexes are essentially alike. They have a nearly straight black bill. Their upperparts are pale golden green and their underparts pale grayish that becomes white on the belly. The tail feathers are pale green; the inner ones have bronzy tips and the outer ones a dusky gray band near the end and tips that are whitish in the male and grayish in the female.Distribution
The Tumbes hummingbird is found in southwestern Ecuador's El Oro and Loja provinces and into northwestern Peru as far south as Lambayeque Department.Status
The IUCN has assessed the Tumbes hummingbird as being of Least Concern, though it has a limited range and its population size and trend are unknown. No immediate threats have been identified. However, because of its restricted range, "it remains potentially vulnerable to any increase in habitat loss, degradation, or fragmentation."Habitat
It inhabits arid scrublands and the edges of deciduous forest in the Tumbes ecoregion. In elevation it ranges from sea level to 1,000 m in Ecuador and 1,275 m in Peru.Reproduction
The Tumbes hummingbird's breeding phenology and nest have not been described.Food
The Tumbes hummingbird forages for nectar from the understory to the mid-strata, though details of the flowering plants it favors are lacking. In addition to nectar, it feeds on small arthropods.References:
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