Hockey showed that the Canarian Black Oystercatcher was a good species distinct from the African Black Oystercatcher Haematopus moquini, of which it was formerly considered a subspecies; these two were occasionally lumped as subspecies of the Eurasian Oystercatcher. Though this bird was known to naturalists since long, it was considered a mere local population of the African Black Oystercatcher until 1913 .
The Haematopus meadewaldoi is classified as Extinct (EX), there is no reasonable doubt that the last individual has died.
Nothing known about the Haematopus meadewaldoi