Jessie L. Williamson

Parallel elevational replacement of hosts and parasites in a highly susceptible songbird genus

The paper examines elevational replacement patterns of haemosporidian parasites in three vireo species, finding concordant elevational zonation between hosts and parasites.

Songs distinguish the cryptic giant hummingbird species and clarify range limits

This study uses song analysis to distinguish two cryptic giant hummingbird species and identifies their range limits.

Taxonomy, nomenclature, and identification of the giant hummingbirds (Patagona spp.) (Aves: Trochilidae)

The paper clarifies the taxonomy of giant hummingbirds, designates a neotype for Patagona gigas, and identifies misidentified specimens in museum collections.