"(Mathews, 1912)" . . . _:b75425459 "4871A57A65738C8E" . "Gelochelidon nilotica gronvoldi" . _:b75425459 "Avibase id" . "Gelochelidon nilotica gronvoldi" . "828894" . . _:b75425459 . . _:b75653630 . _:b75653630 "6065784" . _:b75425459 . . . "Gelochelidon nilotica gronvoldi (Mathews, 1912)" . _:b75653630 "GBIF id" . _:b75653630 . "4871A57A65738C8E" . . . . _:b75653630 . . "6065784" . "Gelochelidon nilotica gronvoldi" . _:b75425459 .