List of species or hybrid of aves category

Horizocerus species: in the family
genus

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sample img Species Common Name
Horizocerus hartlaubi Gould (1861) Black dwarf hornbill
utils/thumbs/Bucerotidae/Horizocerus_h5NqDrardsVhKAc3roks44.jpg Horizocerus albocristatus Cassin (1848) White-crested hornbill, long-tailed hornbill
utils/thumbs/Bucerotidae/Horizocerus_9xfhXWZx3yrsRQE9XE9vhh.jpg Horizocerus granti Hartert (1895) Eastern dwarf hornbill
utils/thumbs/Bucerotidae/Horizocerus_XySGSGuNukGQ7igbATNS3X.jpg Horizocerus cassini Finsch (1903) Eastern long-tailed hornbill