Water-proof frogs

Sturt's Notebook

What has fascinated me most in my current reading on frogs is the diverse range of life history traits that species have developed to survive in the dry conditions that are present on our continent and many others. You probably don’t know that some of these ‘amphibious’ species have better water loss prevention then some desert reptiles (1,6)! It starts most simply with their behaviour. We all know that a large majority of frog species are nocturnal; staying under cover during the day takes on a whole new meaning when you think about it in terms of an environment that reaches soaring temperatures during daylight hours. More fascinating still is the phragmotic behaviour exhibited by the Reed Frog, seeking out humid holes and blocking the entrance with their co-ossified head (pretty much a hard and spikey head) to help shelter them from not only harsh conditions but predatory ones as…

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