Skin poisons in frogs
Video presented by Barry Clarke
Not all frogs are prince charmings in disguise. Some exude slimy secretions from special glands that have various effects on predators, from raising their heart-rate to making the frog taste horrible. Join Museum scientist Barry Clarke to delve into the nastier side of frogs.
- Presented by: Barry Clarke
- Date: 19 February 2005
- Duration: 27:48
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