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: Great Spotted Woodpecker Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusGreenfinch Species Guide: Appearance, Diet, Habitat, Behavior, Stats, And Conservation StatusWoodpeckers Of The British Isles A Complete GuideLesser 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