Chiloe wigeon. Described by Eduard Poeppig

• Death of Jean Baptiste Leschenault de la Tour
• Death of Gustaf von Paykull
• Death of Johann Baptist von Spix
• Christian Ludwig Nitzsch publishes Anatomie der V gel (Bird Anatomy) in Meckels Archiv f r Anatomie und Physiologie
• Eduard Friedrich Poeppig begins scientific exploration throughout Chile, Peru and Brazil.
• Eduard R ppell's "Atlas of R ppell's Travels in Northern Africa" (1826 30) includes an ornithological section by Philipp Jakob Cretzschmar describing around thirty new species, including Meyer's Parrot, Nubian Bustard, Goliath Heron, Streaked Scrub Warbler and Cretzschmar's Bunting.
• Charles Payraudeau describes Audouin's Gull discovered on an expedition to Corsica

Expeditions

• 1826-1829 Voyage of L'Astrolabe (French) to the Coast of Australia, New Zealand, Fiji and Loyalty Islands. Captain Jules Dumont d'Urville (1790 1842), Surgeon Naturalists Joseph Paul Gaimard (1796 1858) and Jean Ren Constant Quoy (1790 1869), Pharmacian-botanist : Pierre Adolphe Lesson (1805 1888).
• 1826-1829 Circumnavigation by the Seniavine Captain Fiodor Litke (1797 1882), Surgeon Naturalist Franz Carl Mertens (1764 1831), Naturalist Heinrich von Kittlitz (1799 1874), Mineralogist Alexander Postels.
• Paul- mile Botta selected to be the naturalist on a voyage around the world on Le Heros under Captain Auguste Bernard Duhaut-Cilly (1790 1849)

Ongoing events

• Coenraad Jacob Temminck Nouveau recueil de planches colori es d'oiseaux Birds first described in this work in 1826 include the White-throated Nightjar, the Checker-throated Woodpecker, the Great-billed Kingfisher, the Spectacled Monarch, the Cuban Green Woodpecker and the Sunda Thrush