Arnot's chat

Arnot's chat (Myrmecocichla arnotti), also called the white-headed black-chat, is a species of bird in the chat and flycatcher family Muscicapidae. The species is found in southern Africa from Rwanda and Angola to South Africa.
Taxonomy
The species was described by Henry Baker Tristram in 1869 based upon a specimen collected at Victoria Falls in modern-day Zimbabwe, as Saxicola arnotti. Tristram wrote that he named the species after the collector, a Mr. Arnott, but the man was actually named David Arnot. For this reason, it was suggested in 1965 that the name should be spelled arnoti instead. However, since there is no evidence in Tristram's original paper that the name was misspelled, the rules of the International Code of Zoological Nomenclature mandate that the spelling arnotti be maintained.
Along with the white-fronted black-chat this species is sometimes separated into the genus Pentholaea. The species...