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Ser-val: Lophoceros fasciatus
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Ser-val: Great Hornbill
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Ser-val: Tockus erythrorhynchus
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Ser-val: Hemprich's Hornbill, Lake Langano, Ethiopia
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Ser-val: Red-billed Hornbill, Ethiopia, feb. 2012
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Ser-val: African Grey Hornbill, Uganda
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Ser-val: Crowned Hornbill, Uganda
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Ser-val: African Pied Hornbill
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Ser-val: Ceratogymna atrata
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Ser-val: Indian Grey Hornbill