1. AmphibiaWeb.
http://www.amphibiaweb.org
. Accessed 2 Mar 2016.
2. Barnes, W. J. P., Baum, M., Peisker, H., & Gorb, S. N. (2013). Comparative Cryo-SEM and AFM studies of hylid and rhacophorid tree frog toe pads. Journal of Morphology, 274, 1384–1396.
3. Crnobrnja-Isailović, J., Ćurčić, S., Stojadinović, D., Tomašević-Kolarov, N., Aleksić, I., & Tomanović, Ž. (2012). Diet composition and food preferences in adult common toads (Bufo bufo) (Amphibia: Anura: Bufonidae). Journal of Herpetology, 46, 562–567.
4. Deban, S. M., & Nishikawa, K. C. (1992). The kinematics of prey capture and the mechanism of tongue protraction in the Green Tree Frog Hyla cinerea. The Journal of Experimental Biology, 170, 235–256.
5. Duellman, W. E., & Lizana, M. (1994). Biology of a sit-and-wait predator, the leptodactylid frog Ceratophrys cornuta. Herpetologica, 50, 51–64.