Friday, October 30, 2009

Frog embryos 'smell' predators

Frog embryos 'smell' predators

BBC News

BBC News
Frogs learn to recognise the smell of their enemies while they are still developing as embryos, say scientists.

Researchers in the US and Canada found that woodfrog embryos were able to learn the "level of threat" posed by their future predators - salamanders.

Embryos put into water containing the odour of a salamander and the odour of injured tadpoles learned that the predator's smell was a threat.

And the stronger the odour, the more dramatic the tadpoles' reaction.

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Sunday, October 18, 2009

New vivaria

After a bit of a delay, I got around to setting up the two new vivaria I bought a while ago. Not very exciting yet, but they'll look better when they've grown in:

Vivarium

Vivarium

One contains juvenile Dendrobates leucomelas, the other D. tinctorius Patricia, but I hope to put something more exciting in there eventually.


Monday, October 05, 2009

dendrobates national geographic

Si, it's in Spanish, but some very nice biotope shots: