By E. A. R. ENNION. (Penguin Books, "Puffin Picture B o o k s " , Harmondsworth, Middlesex, 1958). 31 p a g e s ; coloured and black-and-white illustrations by the author. 3s. 6d. Bird Study in a Garden has been written with the intent of encouraging- young bird-watchers to study the " c o m m o n " birds around their h o m e s : a purpose so laudable that one would wish to be able whole-heartedly to welcome any book which commends it. But many of the problems suggested seem to be difficult for children of less than V l t h Form age, for whom the book is avowedly intended: the solution of problems of ecological differentiation do call for a certain practice in the analysis or massing of data on reasonable bases--and usually for simple statistical testing as well. The explanation and discussion is (inevitably) much compressed: the statement that the " L a w of Territory prevents birds of the same kind coming into competition" suggests that territorial practice is something imposed from without, and not simply an expression of competition in action. On many points of detail one may question the accuracy of the information given: a Song Thrush at work at an anvil is shown grasping the snail across several whorls in a widely-open bill, and the statement that the same species does not take "tree-fruit (except cherries) unless it has fallen to the g r o u
Volume: 
Issue 7

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