In October's BEEPcast Tim Birkhead tells me what ignited his interest in ornithology and sexual selection. I explore why male barn swallows don't act their age when courting females. In the third of my interviews from the Behavior 2013 conference, I speak to Tom Smulders of Newcastle University who explains what Coal tits do with unpalatable seeds.

Download the MP3

Barn swallows coutesy of Jim Benson http://www.flickr.com/photos/j_benson/

Quicklinks:

Tom Smulder's webpage

Masaru Hasegawa's paper

Tim Birkhead's webpage