The Topknot Pigeon (Lopholaimus antarcticus) name originates from the distinctive, backward-swept tuft of feathers on the back of the bird's head and neck, which closely resembles a human topknot hairstyle. The genus name Lopholaimus comes from the Greek words lophos (meaning crest) and laimos (meaning throat), directly referencing its unique feathered head structure. A large, nomadic Australian rainforest bird it is strictly frugivorous (fruit-eating) and acts as a vital seed disperser, swallowing fruits whole and excreting seeds intact.