Johann Natterer

Johann Natterer (9 November 1787 – 17 June 1843) was an Austrian naturalist and explorer. He was the son of royal falconer Joseph Natterer and along with his brother Joseph Natterer (1786–1852) took a keen interest in natural history. He collected natural history specimens extensively from South America and numerous species from his collections were named after him. Provided by Wikipedia