Related Experiment Video
Updated: Oct 7, 2025
06:57
Analysis of Transforming Growth Factor ß Family Cleavage Products Secreted Into the Blastocoele of Xenopus laevis Embryos
Published on: July 21, 2021
2.5K
Burrowing in frogs
1Department of Anatomy, University of Chicago, Chicago, Illinois 60637.
Journal of Morphology
|September 28, 2018
Summary
Most frogs dig hindfeet first, a unique vertebrate adaptation. This study reveals specialized hindlimb and pectoral-cranial morphology in burrowing frogs, linking locomotion to feeding strategies.
Area of Science:
- Herpetology
- Vertebrate Paleontology
- Evolutionary Biology
Background:
- Most burrowing anurans (frogs and toads) exhibit hindfeet-first digging, a pattern unique among terrestrial vertebrates.
- Frogs possess postero-laterally placed hindlimbs and musculature preadapted for hindfeet digging.
Purpose of the Study:
- To investigate the morphological adaptations of hindlimb and pectoral-cranial structures in fossorial anurans.
- To explore the relationship between distinct locomotor patterns and specific feeding strategies in burrowing frogs.
Main Methods:
- Comparative morphological analysis of hindlimb and pectoral-cranial regions in burrowing frog species.
- Functional modeling to link morphological shifts to specific burrowing action patterns.
- Analysis of stomach contents, natural history, and energy utilization data.
Main Results:
- Glyphoglossus molossus exhibits hindlimb modifications for spade-like tubercle positioning and increased digging force.
- Hemisus marmoratus displays significant pectoral-cranial reorganization for headfirst burrowing.
- A model connects pectoral morphology changes in Hemisus marmoratus to headfirst burrowing mechanics.
Conclusions:
- Distinct burrowing strategies in anurans are associated with specialized morphological adaptations in hindlimbs and/or pectoral-cranial regions.
- Locomotor patterns are intricately linked with feeding strategies in fossorial frog species.
Related Concept Videos
01:47Osmoregulation in Insects
16.7K
Malpighian tubules are specialized structures found in the digestive systems of many arthropods, including most insects, that handle excretion and osmoregulation. The tubules are typically arranged in pairs and have a convoluted structure that increases their surface area.
16.7K
01:06Fixed Action Patterns
16.6K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
16.6K