Bird Flight: an illustrated study of birds' aerial mastery. By Robert Burton. (Facts on File Ltd, Oxford, 1990. 160 pages. £14.95)

This is a very attractive and accurate presentation of the current propagated theories. This subject, of both popular and academic interest, has, however, not been resourced sufficiently to unlock fully the secrets of slow-speed, unsteady aerodynamics with vorticity control, which the birds efficiently and instinctively manipulate. The true merit of the book is the pageant of superb flight photographs, showing great artistry by both bird and cameraman, again demonstrating the scientific advances achieved in commercial photography. [KEITH ALLSOPP] 

The Red Kite in Wales. By John Evans. (Christopher Davies, Swansea, 1990. 64 pages. Paperback £4.95) A brief history, and where to see Red Kites Milvus milvus in Wales. Many curious statements are contrary to the evidence: for example, that Spanish-breeding Red Kites are mainly migratory; that loss from many areas was due to severe weather rather than to persecution; and that the relict range is good habitat. Nevertheless, this is a convenient introduction for those wishing to see kites without disturbing them (although a reminder of the illegality of disturbing breeding birds would have been wise). For more information, turn to Roger Lovegrove's compilation (The Kite's Tale, 1990), pending a full treatment. [MIKE PIENKOWSKI] 

The Black Eagle: a study. By Valerie Gargett. (Acorn Books, Randburg, RSA, 1990. 280 pages. £35.00) Parts of this classic 21-year study of Verreaux's Eagle Aquila verreauxii in Zimbabwe have been published in the literature, but here is the whole story of this remarkable co-operative venture in a single book. Full of data, very well written and superbly illustrated, this is a 'must' for all raptor researchers and enthusiasts—and ought to be read by all field ornithologists. Highly recommended. [MIKE EVERETT]  

Volume: 
Issue 3
Start Page: 
116
Authors: 
Allsopp, K
Lowe, A
Pienkowski, M
Bainbridge, I
Display Image: 

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