The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
References
- Prum, R. O. 1988. Phylogenetic interrelationships of the barbets (Aves: Capitonidae) and toucans (Aves: Rhamphastidae) based on morphology with comparisons to DNA-DNA hybridization. Zoological Journal of the Linnean Society, vol. 92, no. 4. 313-343
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