Male captive Philippine hornbill species. Rhabdotorrhinus leucocephalus (left) and Buceros hydrocorax (right).
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Male captive Philippine hornbill species. Rhabdotorrhinus leucocephalus (left) and Buceros hydrocorax (right). |
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| Part of: Guerra SL, Gonzalez JCT, Rafael EF (2019) Description and comparison of Philippine hornbill (Bucerotidae) vocalizations. Biodiversity Data Journal 7: e31723. https://doi.org/10.3897/BDJ.7.e31723 |