(Plates 46-47) I HAVE had the opportunity in the last few years to study Dippers (Cinclus cinclus) at very close quarters while photographing them, and in fact have tamed these birds to such a degree that they have sat on my wrist to feed their young between my fingers, and have sung on my head! Thus I have had an excellent chance to observe the blinking action of the eyelid which is referred to i...

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