This month, I discover that a preference for a particular colour of food can be heritable, and I also have a chat with Niels Dingemanse from the Max Planck Institute for Ornithology about how you test animal personality. In the Scientific spark, I talk to Shaun Killen, from the University of Glasgow, who tells me about his inspiration to become a scientist.

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Testing Great tit personality. Image from http://www.mpg.de/617557/pressRelease20100209

Quicklinks:

Great tits: birds with character

Artificial selection for food colour preferences

Shaun Killen's webpage

Naturally speaking podcast