Crayfish, yabbies and crawdaddies are all physically similar, but there are distinctions - broadly speaking yabbies are smooth and live in dams, while crayfish are spiny and are found in rivers.  Dr Susan Lawler (Head of Department of Environmental Management & Ecology, La Trobe University) talks about these fascinating creatures, which have real intelligence and personalities.

Copyright 2010 La Trobe University, all rights reserved. Contact for permissions.

Crayfish and Yabbies

Podcasts on the discussions of the evolution of animal diversity at individual, population and community levels with a particular focus on animal physiology, ecology and behaviour.

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Dr Sridhar Ravi (Vice-Chancellors Research Fellow, RMIT University) talks about how insects and birds fly, in particular the flight of bumblebees through an aerodynamic obstacle course and hummingbirds flying through discrete and continuous aerial disturbances.

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Biomechanics of Insect and Bird Flight

Why do we study insects? They’re the most diverse group of organisms in the world, and depending on who you ask there’s anywhere between two to thirty million species. Dr Ken Walker (Curator of Entomology, Melbourne Museum) talks about his role working with insects, and shows off some of his impressive bug collection.

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Why we Study Insects

Dr Richard Loyn (Research Fellow in Zoology, La Trobe University) on the wildlife of Madagascar, where wildlife conservation competes with food production, poverty, development, population explosion and survival.

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Crayfish and Yabbies

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