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100   $a20111214d2008      uy             0
101 0 $aeng
135   $aur|n|---|||||
181   $ctxt
182   $cc
183   $acr
200 10$aOwls of the world$b[electronic resource] /$fClaus Ko?nig and Friedhelm Weick ; with a contribution on molecular evolution by Michael Wink ... [et al.]
205   $a2nd ed.
210   $aLondon $cChristopher Helm$d2008
215   $a1 online resource (529 p.)
225 1 $aHelm identification guides
300   $aDigital editions published 2010.
311   $a0-7136-6548-3 
320   $aIncludes bibliographical references and index.
327   $aCover; CONTENTS; INTRODUCTION; ACKNOWLEDGEMENTS; LAYOUT OF THE BOOK; OWLS AN OVERVIEW; HOW TO STUDY OWLS; CONSERVATION; MOLECULAR PHYLOGENY AND SYSTEMATICS OF THE OWLS (STRIGIFORMES); COLOUR PLATES; SYSTEMATIC SECTION; TYTO; PHODILUS; OTUS; PSILOSCOPS; MEGASCOPS; PYRROGLAUX; GYMNOGLAUX; PTILOPSIS; MIMIZUKU; BUBO; PULSATRIX; STRIX; JUBULA; LOPHOSTRIX; SURNIA; GLAUCIDIUM; TAENIOGLAUX; XENOGLAUX; MICRATHENE; ATHENE; AEGOLIUS; NINOX; UROGLAUX; SCELOGLAUX; NESASIO; PSEUDOSCOPS; ASIO; RECENTLY DISCOVERED OWLS; BIBLIOGRAPHY; INDEX
330   $aOwls are enduringly popular birds, but due to their nocturnal habits most species are difficult to see well. The plumages of many species are cryptic and difficult to separate by plumage alone. This problem is compounded by the different morphs that many adopt. This book fully describes every known species and subspecies of owl, as well as presenting the latest evidence on owl taxonomy, based on DNA work and vocalisations. Because voice is vital in owl identification, much emphasis is placed on it in the book and sonograms are provided for many species. A CD of owl vocalisations will accompany
410  0$aHelm identification guides.
606   $aOwls
608   $aElectronic books.
615  0$aOwls.
676   $a598.97
700   $aKo?nig$b Klaus$g(Claus)$0263579
701   $aWeick$b Friedhelm$0945064
701   $aWink$b Michael$0511854
801  0$bMiAaPQ
801  1$bMiAaPQ
801  2$bMiAaPQ
906   $aBOOK
912   $a9910459857703321
996   $aOwls of the world$92133488
997   $aUNINA