Armstrong, Edward Allworthy The ethology of bird display and bird behavior an introduction to the study of bird psycology by Edward A. Amstrong - Revised edition - New York Dover Pub. Inc. 1965 - 431 p. : ill. ; 22 cm. Previously published as: Bird display and behaviour. 1965. p. 367-404. Subjects--Topical Terms: Birds--BehaviorDisplay behavior in animals