Black or Cinerous Vulture from Ornithology of Straits of Gibraltar from  Lt Col  L Howard  Irby 1895 which is freely licensed
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unknown but in old book by Lt Col  L Howard  Irby</div>
<a rel="nofollow" class="external text" href="https://archive.org/stream/ornithologyofstr00irbyrich#page/n0/mode/2up">Ornithology f the Straits of Gibraltar</a>