Tag: all of Topaza

Distribution, variation, and taxonomy of Topaza hummingbirds (aves: trochilidae)

Crimson Topaz (Topaza pella) Science Article 1 abstract We review the distribution, variation, and taxonomy of the Crimson Topaz (Topaza pella) and theFiery Topaz (Topaza pyra). Both taxa show sexual dimorphism of foot color and notable age-related variationin plumage. Topaza pyra shows distinct and reliable differences from T. pella and warrants specific status.We describe a […]