Ornithology Ornithology is a branch of zoology focused on the study of birds. Several aspects of ornithology are distinct from related disciplines, partly due to the high visibility and aesthetic appeal of birds. Related Articles: Wildlife In Focus | Great Spotted WoodpeckerWildlife In Focus | GreenfinchWildlife In Focus | Woodpeckers Of The British IslesLesser Spotted Woodpecker (Dryobates minor) Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusRedpoll (Acanthis SPP) Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusCrossbill (Loxia spp) Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusEurasian Wren (Troglodytes troglodytes) Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusGlossary: GreenfinchGlossary: The British Ornithologists’ UnionGlossary: European Breeding Bird Atlas