"For several weeks, I have been listening out for the chorus of notes that heralds a flock of Long-tailed Tits. It will be a family party that straggles through the trees and makes acrobatic searches for tiny insects among the foliage. The charm of these little birds is increased by their appearance. As well as their perky behaviour and piping calls, they have the 'cute', infantile features of large head and short bill that Konrad Lorenz suggested were releasers of nurturing behaviour in humans,"