Burrowing in frogs

@article{Emerson1976BurrowingIF,
  title={Burrowing in frogs},
  author={Sharon B. Emerson},
  journal={Journal of Morphology},
  year={1976},
  volume={149}
}
  • S. Emerson
  • Published 1 August 1976
  • Biology
  • Journal of Morphology
More than 95% of burrowing Anura dig hindfeet first into the soil, a pattern unique to frogs among terrestrial vertebrates. The postero‐laterally placed hindlimbs and associated musculature of frogs are preadaptations for hindfeet digging. One fossorial, backwards burrower, Glyphoglossus molossus (Microhylidae), has morphological modifications of the hindlimb for positioning the spade‐like metatarsal tubercle and for increasing the force of the lower leg during digging. 

Observations of Arboreality in a Burrowing Frog, the Banded Bullfrog, Kaloula pulchra (Amphibia: Anura: Microhylidae)

This report reports the first record of banded bullfrogs predating invertebrates in an arboreal setting in the Sakaerat Biosphere Reserve, Thailand and suggests a cause of death for this species.

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Novel character-states supporting the monophyly of Odontophrynus, Proceratophrys, and Odontrophrynus + Macrogenioglottus are found and some modifications of the foot musculature might be involved in digging.

Comparative morphology of the humerus in forward-burrowing frogs

It is shown that the humeri of most forward-burrowing frogs are morphologically distinct from those of non-forward-burrowers, including features such as a curved and thick diaphysis, the presence of a pronounced ventral crest, and relatively large epicondyles and humeral head.

Evolution of the unique anuran pelvic and hindlimb skeleton in relation to microhabitat, locomotor mode, and jump performance.

The findings uncover previously undocumented morphological variation related to anuran ecological and locomotor diversification and link that variation to differences in jumping ability among species.

Comparative Morphometrics in Ranid Frogs (Subgenus Nenirana): Are Apomorphic Elongation and a Blunt Snout Responses to Small-bore Burrow Dwelling in Crawfish Frogs (Lithobates areolatus)?

It is suggested that if Crawfish Frog morphology is a response to life in burrows, it is due in part to having the size characteristic of being the largest member of the clade and in part through the shape characteristic of generally exhibiting an intermediate morphology between Pickerel frogs and the two Gopher Frog species.
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