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How large are the smallest and largest coraciiform birds?
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Coraciiform
Yellow-billed hornbill (Tockus leucomelas).
The order Coraciiformes exhibits significant size variation across its families. The smallest members are the todies, which measure between 9 and 11.5 cm (3.5 to 4.5 inches) in length. Conversely, the largest members are the hornbills, which range from approximately 40 to 160 cm (16 to 63 inches) in length.1