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Sent: Sunday, 19 December 2010 6:49 AM
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Subject: [AfricanBirding] Holarctic Birds of Prey
In remembrance of R. D. (Robin) Chancellor (* 24 October 1921 - † 27
October 2010) WWGBP has started to digitise it's bird of prey
publications and to provide them free of charge for all interested
persons as PDF download data on the WWGBP website
The following volume has now been posted to the website:
Chancellor, R. D., B.-U. Meyburg & J.J. Ferrero (eds.) 1998
Holarctic Birds of Prey
Proceedings of an International Conference
ADENEX & WWGBP: Mérida & Berlin
ISBN 84-605-7398-2, 680 pp, many diagrams, maps line drawings and
This volume comprises the proceedings of the International Conference on
Holarctic Birds of Prey and Owls held by WWGBP in conjunction with the
Spanish nature conservation organisation ADENEX in April 1995 at
Badajoz, Extremadura, Spain and attended by over 400 ornithologists. The
volume contains 680 pages, with 59 original papers.
Titles include Migration Patterns in West Palaearctic Raptors, Utility
Structures as Mortality Factor for raptors and owls, Census Techniques
for Birds of Prey in Large Areas, Electrical Transmission Pylons as
Nesting Sites used by Kestrels, Organochlorine Pesticides, PCBs &
Mercury in Osprey eggs, Morphometric Features characterising Flight
Properties of Palaearctic Eagles, Molecular Systematics of Holarctic
Raptors, Dependence and Emancipation in Juvenile Marsh Harriers,
Captive Breeding and Releases of Peregrines in North America,
Phylogenetic Relationships in Holarctic Owls, Use of Logistic
Regression Models to Predict Consumption of carcasses by Griffon
Vultures, Toxic Chemicals and Birds of Prey in the mid-1990s, Effects
of the Feeding Station Establishment on the Egyptian Vulture in NE
Greece, Analysis of the Relation between Land Cover and Golden Eagle
Ranging Behaviour, Anti-Poaching at the Straits of Messina, Modelling
Establishment of a Reintroduced Population of Griffon Vultures, The
Role of the Individual Bird and the Individual Territory in the
Population Biology of Sparrowhawks, etc.
Holarctic Birds of Prey. Edited by B.-U. Meyburg, R.D. Chancellor, and
J.J. Ferrero. 1998. World Working Group on Birds of Prey and Owls,
Berlin, Germany. 680 pp., numerous figures and tables. ISBN
84-605-7398-2. Paper, $35.—In conjunction with ADENEX (Asociaci6n para
la Defensa de la Naturaleza y los Recursos de Extremadura), the World
Working Group on Birds of Prey and Owls (WWGBP) held a conference in
Badajoz, Spain, from 17—22 April 1995. Of the 100 or so oral and poster
presentations, 59 are included in this proceedings (16 in Spanish, 43 in
English), which is organized into eight parts: ”Molecular Systematics of
Holarctic Birds of Prey and Owls” (3 papers), ”Breeding Biology of
Raptors” (7), ”Biology and Conservation of Diurnal Raptors” (26),
”Supporting Raptor Populations in Danger of Extinction via Captive
Breeding” (4), ”Biology and Conservation of Holarctic Owls” (5),
”Raptors: Contamination and Development” (4), ”Socioeconomic Aspects of
Raptor Conservation” (3), and ”Migration of Birds of Prey” (7). Rather
than attempt to mention all of the papers, I will note a few (among the
many) that I found to be especially interesting.Papers by Michael Wink
and associates present data on molecular systematics of hawks and owls
based on the cytochrome-b gene. The latter paper (with P. Heidrich)
contains two notable tidbits: (1) the genetic distance is 5-7% between
Little Owls (Athene noctua) from Israel versus Europe, suggesting that
two species arc involved; and (2) the ”white-faced scops-owls,” formerly
regarded as two taxa of Otus, actually are closer to Asio and belong in
the genus Ptilüpsis.Among the handful of contributions from North
America, Charles Henny presents a review of chemical contamination that
focuses on falconiforms, James Enderson et al. provide an overview of
the captive-breeding program for Peregrine Falcons (Falco peregrinus) in
die U.S.A. and Canada, and Keith Bildstein challenges raptor biologists
who study migration to form partnerships with mainstream ecologists and
conservation biologists to broaden efforts to understand raptor
migration on a global scale. Another thought-provoking paper, by Clayton
White and Lloyd Kiff, discusses how efforts to list the Northern Goshawk
(Accipiter gentilis) and to avoid delisting the Peregrine Falcon
potentially weaken the Endangered Species Act by clouding the definition
of ”endangered -- and by lowering the credibility of biologists who
study these species. This paper should be read by everyone interested in
the conservation of rare and threatened species.Jeff Watson reports that
Golden Eagles (Aquila chrysaetos) in western Scotland take a higher
diversity of prey species than those in eastern Scotland and have
concomitantly lower reproductive success. The difference in diet results
from reduced numbers of medium-sized herbivores in Western Scotland.
Watson suggests that Golden Eagles do best when a few species of prey of
favored size are ”particularly abundant” and that they fare poorly when
forced to widen their diet to include species outside of the preferred
range of prey size. Ian Newton reviews migration patterns of
falconiforms in the Western Palearctic, drawing a correlation between
migration distance and diet. Raptors that specialize on birds and
mammals tend to migrate short distances and winter in the Palearctic,
whereas those that eat mainly cold-blooded prey (i.e., reptiles and
invertebrates) are long-distance migrants that winter in sub-Saharan
Africa.Holarctic Birds of Prey continues the line of worthwhile
publications on raptor biology edited by Chancellor, Meyburg, and their
associates and produced by die WWGBP. As such, it would make a valuable
addition to one‘s library.—Jeff Marks, Montana Cooperative Wildlife
Research Unit, University of Montana, Missoula, MT 59812 U.S.A.
J. RaptorRes. 33(3):272© 1999 The Raptor Research Foundation, Inc.
EDITED BY JEFFREY S. MARKS
E-Mail discussion Groups of WWGBP
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VULTURE CONSERVATION has been created for anybody interested in the New
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This group had 420 members on 9 October 2010.
SATELLITE TELEMETRY. The movements of birds have been investigated for
the past 100 years mainly by ringing. In recent times satellite
telemetry has provided us with a new device which makes possible the
permanent and worldwide automatic location of birds over an extended
period of time.
In view of the rapid development of this technique, a Yahoo Group for
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to help disseminate information on this technique and its results among
researchers and other interested individuals to overcome the problem of
the long time-lapse involved in the publication of articles in
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