Table Of ContentIBIS
JOURNAL OF THE
BRITISH ORNITHOLOGISTS’ UNION
VOLUME 133, 1991
© 1991 Blackwell Scientific Publications, Published by Blackwell Scientific Publications
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CONTENTS
BOU Officers and Committees S. F. GOODBURN. Territory quality or bird
Past Officers and Medallists quality? Factors determining breeding
success in the Magpie Pica pica
NUMBER 1, JANUARY COMMENTS
ANDRE A. DHONDT. How unreliable are
EDITORIAL. The new Ibis cuckoldry estimates using heritability
T. D. WILLIAMS. Foraging ecology and diet of
estimates?
Gentoo Penguins Pygoscelis papua at South
SABINE G. HENRICH & RUEDI G. NAGER. Can
Georgia during winter and an assessment of extra-pair fertilizations be detected by
their winter prey consumption differences in maternal and paternal
>. A. BOST & P. JOUVENTIN. The breeding heritability estimates?
performance of the Gentoo Penguin
Pygoscelis papua at the northern edge of its RECENT ORNITHOLOGICAL
range PUBLICATIONS
DAVID J. ANDERSON. Apparent predator-
limited distribution of Galapagos Red-footed CURRENT NOTES AND NOTICES
Boobies Sula sula
;. WANLESS, M. P. HARRIS & J. A. MORRIS.
NUMBER 2, APRIL
Foraging range and feeding locations of
Shags Phalacrocorax aristotelis during chick D. R. BAZELY, P. J. EWINS & R. H. MCCLEERY.
rearing Possible effects of local enrichment by gulls
$. WANLESS, A. E. BURGER & M. P. HARRIS. on feeding site selection by wintering
Diving depths of Shags Phalacrocorax Barnacle Geese Branta leucopsis
aristotelis breeding on the Isle of May . NEWTON & E. A. GALBRAITH.
. N. FLINT. Time and energy limits to the Organochlorines and mercury in the eggs of
foraging radius of Sooty Terns Sterna fuscata Golden Eagles Aquila chrysaetos from
STAFFAN BENSCH, DENNIS HASSELQUIST, Scotland
ANDERS HEDENSTROM & ULF OTTOSSON. .. YOUNG, G. M. ZHENG & Z. W. ZHANG.
Rapid moult among palaearctic passerines Winter movements and habitat use by
in West Africa—an adaptation to the Cabot’s Tragopan Tragopan caboti in
oncoming dry season? southeastern China
3. J. ORMEROD & STEPHANIE J. TYLER. The MURRAY C. GRANT. Relationships between egg
influence of stream acidification and size, chick size at hatching, and chick
riparian land use on the feeding ecology of survival in the Whimbrel Numenius phaeopus
Grey Wagtails Motacilla cinerea in Wales RONALD W. SUMMERS & LESLIE G.
ANTERO JARVINEN. A meta-analytic study of UNDERHILL. The relationship between body
the effects of female age on laying-date and size and time of breeding in Icelandic
clutch-size in the Great Tit Parus major and Redshanks Tringa t. robusta
the Pied Flycatcher Ficedula hypoleuca GUDMUNDUR A. GUDMUNDSSON, AKE
. W. DUCKWORTH. Responses of breeding Reed LINDSTROM & THOMAS ALERSTAM. Optimal
Warblers Acrocephalus scirpaceus to mounts fat loads and long-distance flights by
of Sparrowhawk Accipiter nisus, Cuckoo migrating Knots Calidris canutus,
Cuculus canorus and Jay Garrulus glandarius Sanderlings C. alba and Turnstones Arenaria
>. J. FEARE. Intraspecific nest parasitism in interpres
Starlings Sturnus vulgaris: effects of . J. HATCHWELL. The feeding ecology of
disturbance on laying females young Guillemots Uria aalge on Skomer
THEO MEIJER. The effect of a period of food Island, Wales
restriction on gonad size and moult of male . NEWTON, I. WYLLIE & A. ASHER. Mortality
and female Starlings Sturnus vulgaris under causes in British Barn Owls Tyto alba, with a
constant photoperiod discussion of aldrin—-dieldrin poisoning
CONTENTS
N. KANG, C. J. HAILS & J. B. SIGURDSSON. OLAV HOGSTAD. The effect of social dominance
Nest construction and egg-laying in Edible- on foraging by the Three-toed Woodpecker
nest Swiftlets Aerodramus spp. and the Picoides tridactylus
implications for harvesting LES CHRISTIDIS & RICHARD SCHODDE.
JULIET VICKERY. Breeding density of Dippers Relationships of Australo-Papuan
Cinclus cinclus, Grey Wagtails Motacilla songbirds—protein evidence
cinerea and Common Sandpipers Actitis STEPHANIE J. TYLER & S. J. ORMEROD. The
hypoleucos in relation to the acidity of influence of stream acidification and
streams in south-west Scotland riparian land-use on the breeding biology of
JUAN MORENO, LARS GUSTAFSSON, ALLAN Grey Wagtails Motacilla cinerea in Wales
CARLSON & TOMAS PART. The cost of JAIME POTTI & SAGRARIO MONTALVO. Male
incubation in relation to clutch-size in the colour variation in Spanish Pied Flycatchers
Collared Flycatcher Ficedula albicollis Ficedula hypoleuca
MARILYN M. JONES. Muscle protein loss in WILL PEACH, STEPHEN BAILLIE &
laying House Sparrows Passer domesticus LES UNDERHILL. Survival of British Sedge
PHILIP A. F. BYLE. Parental provisioning in Warblers Acrocephalus schoenobaenus in
the Dunnock Prunella modularis: the effects relation to west African rainfall
of a variable mating system T. R. BIRKHEAD, B. J. HATCHWELL &
N. B. DAVIES. Sperm competition and the
COMMENT reproductive organs of the male and female
DOUGLAS H. JOHNSON. Further comments on Dunnock Prunella modularis
estimating nest success A. DAWSON. Photoperiodic control of testicular
regression and moult in male House
RECENT ORNITHOLOGICAL
Sparrows Passer domesticus
PUBLICATIONS
RECENT ORNITHOLOGICAL
BOU: RECORDS COMMITTEE: FOURTEENTH
PUBLICATIONS
REPORT (AUGUST 1990)
BOU GODMAN-SALVIN MEDAL
CURRENT NOTES AND NOTICES
CITATION
NUMBER 3, JULY BOU UNION MEDAL CITATION
EDMUND FP. G. SMITH, PETER ARCTANDER, THE YEAR’S WORK: REPORT OF
JON FJELDSA & OSMAN GEDOW AMIR. COUNCIL 1990
A new species of shrike (Laniidae: Laniarius)
from Somalia, verified by DNA sequence CURRENT NOTES AND NOTICES
data from the only known individual
DAVID M. BRYANT & PAUL TATNER.
NUMBER 4, OCTOBER
Intraspecies variation in avian energy
expenditure: correlates and constraints STEPHEN HUNTER. The impact of avian
D. PHILIP WHITFIELD & JEREMY BRADE. The predator-scavengers on King Penguin
breeding behaviour of the Knot Calidris Aptenodytes patagonicus chicks at Marion
canutus Island
PIERRE YESOU. The sympatric breeding of . BRETAGNOLLE, M. CARRUTHERS,
Larus fuscus, L. cachinnans and L. argentatus M. CUBITT, F. BIORET & J.-P. CUILLANDRE.
in western France Six captures of a dark-rumped, fork-tailed
M. BOLTON, P. MONAGHAN & D. C. HOUSTON. storm-petrel in the northeastern Atlantic
An improved technique for estimating $. M. PERCIVAL. The population structure of
pectoral muscle protein condition from body Greenland Barnacle Geese Branta leucopsis
measurements of live gulls on the wintering grounds on Islay
CONTENTS
E. C. REES, J. M. BLACK, C. J. SPRAY & SUPPLEMENT 1
S. THORISSON. Comparative study of the What is the future for long-term bird studies?
breeding success of Whooper Swans Cygnus
EDITORIAL. Long-term studies of birds
cygnus nesting in upland and lowland
CHARLES J. KREBS. The experimental
regions of Iceland
paradigm and long-term population studies
BORJA HEREDIA, JUAN C. ALONSO &
L. R. TAYLOR. Proper studies and the Art of
FERNANDO HIRALDO. Space and habitat use
the Soluble
by Red Kites Milvus milvus during winter in
G. M. DUNNET. Population studies of the
the Guadalquivir marshes: a comparison
Fulmar on Eynhallow, Orkney Islands
between resident and wintering populations
MYRFYN OWEN & JEFFREY M. BLACK. Geese
JEAN-MARC THIOLLAY. Foraging, home range
and their future fortune
use and social behaviour of a group-living
RAYMOND J. O'CONNOR. Long-term bird
rainforest raptor, the Red-throated Caracara
population studies in the United States
Daptrius americanus
C. M. PERRINS. Tits and their caterpillar food
CHERI L. GRATTO-TREVOR. Parental care in
supply
Semipalmated Sandpipers Calidris pusilla:
J. S. BRADLEY, I. J. SKIRA & R. D. WOOLER.
brood desertion by females
A long-term study of Short-tailed
ROSEMARIE GNAM & R. F. ROCKWELL.
Shearwaters Puffinus tenuirostris on Fisher
Reproductive potential and output of the
Island, Australia
Bahama Parrot Amazona leucocephala
MICHAEL W. PIENKOWSKI. Using long-term
bahamensis
ornithological studies in setting targets for
M. G. BROOKER & L. C. BROOKER. Eggshell
conservation in Britain
strength in cuckoos and cowbirds
I. NEWTON. Habitat variation and population
HERBERT BIEBACH, WOLFGANG FRIEDRICH,
regulation in Sparrowhawks
GEORG HEINE, LUKAS JENNI, SUSANNE
JAMES D. NICHOLS. Extensive monitoring
JENNI-EIERMANN & DIETER SCHMIDL. The
programmes viewed as long-term
daily pattern of autumn bird migration in
population studies: the case of North
the northern Sahara
American waterfowl
. S. THOMPSON & D. B. A. THOMPSON.
Greenshanks Tringa nebularia and long-term
COMMENTS
studies of breeding waders
J. S. PARKER, T. R. BIRKHEAD, S. K. JOSHUA,
. MOSS & A. WATSON. Population cycles and
S. TAYLOR & M. S. CLARK. Sex ratio in a
kin selection in Red Grouse Lagopus lagopus
population of Guillemots Uria aalge
determined by chromosome analysis scoticus
JEREMY D. GREENWOOD & STEPHEN R.
FRANK R. LAMBERT. Fruit-eating by Purple-
BAILLIE. Effects of density-dependence and
naped Sunbirds Hypogramma
weather on population changes of English
hypogrammicum in Borneo
passerines using a non-experimental
paradigm
RECENT ORNITHOLOGICAL
PUBLICATIONS
POSTER PRESENTATIONS
BOU: RECORDS COMMITTEE; DAVID T. PARKIN & JON H. WETTON. The
FIFTEENTH REPORT (APRIL 1991) heritability of tarsus-length in House
Sparrows Passer domesticus
KEITH L. BILDSTEIN, PETER FREDERICK &
BOU: ANNUAL GENERAL MEETING 1991
JAMES JOHNSTON. Long-term studies of
American White Ibises Eudocimus albus
CURRENT NOTES AND NOTICES breeding in coastal South Carolina
CONTENTS
I. R. TAYLOR. The dynamics of a cyclic H. P. KOLLAR & M. SEITER. Sex ratio and
predator-prey system: the Barn Owl Tyto population dynamics of Great Bustards
alba and field vole Microtus agrestis Otis tarda 135
JANINE VAN VESSEM. Population dynamics CHARLES M. FRANCIS & FRED COOKE. Changes
of breeding Grey Herons Ardea cinerea in survival rates of Lesser Snow Geese 136
in Flanders, Belgium, during the period W. R. P. BOURNE. Arabian seabirds 137
1981-1989
BRITISH ORNITHOLOGISTS’ UNION
OFFICERS AND COUNCIL 1991
President
Janet Kear, PhD
Vice Presidents
I. Newton, DPhil S. Howe, BSc L. G. Grimes, PhD
Editor Secretary Treasurer
P. J. Jones, DPhil C. J. Feare, PhD N. J. Crocker, ACIB
Council
The Officers (as above) M. Owen, PhD J. H. R. Boswall
D. T. Parkin, PhD C. M. Lessells, DPhil C. A. R. Helm, BA
J. J. D. Greenwood, PhD M. R. W. Rands, DPhil M. W. Pienkowski, PhD
MEETINGS CoMMITTEE H. Q. P. Crick (Chairman), A. Dawson, RECORDS COMMITTEE A. G. Knox (Chairman), T. P. Inskipp
C. Fisher, P. Monaghan, P. J. S. Olney, R. E. F. Peal (BOC (Secretary),P .R . Colston, i.D awson,B . LitJ.t H.l Maerch,ant ,
Representative); Mrs G. Bonham attends. J. R. Mather, D. T. Parkin, K. Vinicombe, P. Lansdown
(ex-officio); Mrs G. Bonham attends.
ORNITHOLOGICAL AFFAIRS COMMITTEE C. M. Perrins (Chair- PUBLICATIONS COMMITTEE P. J. Jones (ChairmN.a J.n Cr)oc,ker ,
man), J. P. Croxall, C. F. Mason, M. R. W. Rands; Mrs G. L. G. Grimes, C. J. Feare, C. A. R. Helm, D. T. Parkin; Mrs G.
Bonham attends. Bonham attends.
PAST OFFICERS
PRESIDENTS 1930-31 W. A. Durnford & Sir John R. Bradford, DSc, FRS
1859-1867 Col. Henry Maurice Drummond-Hay 1931-32 Sir Malcolm C. C. Seton, KCB & H. F. Witherby, MBE
1867-1896 Lord Lilford 1932-33 F.H. Guillemard, MA, MD & H. L. Popham, MA
1896-1913 Frederick Du Cane Godman, FRS 1933-34 A. L. Butler & C. J. Holdsworth
1913-1918 Col. Robert George Wardlaw-Ramsay 1934-36 The Rev. F. C. R. Jourdain & P. R. Lowe, OBE, MB
1918-1921 William Eagle Clarke, ISO, LLD, FRSE 1936-38 H. E. Howard & C. Oldham
1921-1922 Henry John Elwes, FRS 1938-40 D. Seth-Smith & N. B. Kinnear
1923-1928 Lord Rothschild, DSc, FRS 1940-43 Col. R. Meinertzhagen, DSO & H. Whistler
1928-1933 William Lutley Sclater, MA 1943-45 W. P. Lowe & D. A. Bannerman, MBE, ScD
1933-1938 Harry Forbes Witherby, MBE 1945-47 G. E. Lodge & A. L. Thomson, CD, DSc
1938-1943 Percy Roycroft Lowe, OBE, MB 1947-49 Sir Hugh S. Gladstone, MA & B. W. Tucker, MA
1943-1948 Sir Norman B. Kinnear, CB 1949-51 Miss E. V. Baxter, FRSE & C. W. Mackworth-Praed
1948-1955 Sir A. Landsborough Thomson, CB, OBE, DSc 1951-53 Lt-Col. J. K. Stanford, OBE, MC & W. H. Thorpe, ScD, FRS
1955-1960 William Homan Thorpe, ScD, FRS 1953-55 A. W. Boyd, MC
1960-1965 Reginald Ernest Moreau, MA 1953-56 J. M. Harrison, DSC, MRCS & W. H. Thorpe, ScD, FRS
1965-1970 Vero C. Wynne-Edwards, DSc, MA, FRS, FRSE, FRSC 1954-57 D.L. wack, ScD, FRS
1970-1975 Guy Mountfort, OBE 1955-58 Miss E. P. Leach, MBE
1975-1979 Sir Hugh Elliott, Bt, OBE, MA 1956-59 H. G. Alexander, MA
1979-1983 Stanley Cramp, OBE, BA 1957-60 Miss P. Barclay-Smith, MBE
1983-1987 James F. Monk, DM 1958-61 E. M. Nicholson, CB
1987-1990 David W. Snow, DSc 1959-62 N. F. Ticehurst, MA, FRCS
1960-63 Capt. C. R. S. Pitman, CBE
VICE PRESIDENTS 1961-64 Sir Philip Manson-Bahr, CMG
1922-23 Lord Rothschild, DSc, FRS & W. L. Sclater, MA 1962-65 V. C. Wynne-Edwards, FRS
1923-24 A. H. Evans, ScD & E. G. B. Meade-Waldo 1963-66 The Rev. E. A. Armstrong, MA
1924-25 E. J. O. Hartert, PhD & G. M. Mathews, FRSE 1964-66 W. B. Alexander, MA
1925-26 F. Nicholson & Lt-Col. G. Rippon 1965-67 H.S. Southern, MA & J. D. MacDonald, FRSE
1926-27 Col. S. R. Clark, CB & W. L. Sclater, MA 1966-69 C. W. Benson, OBE
1927-28 Maj.-Gen. Sir Percy Z. Cox, GCMG 1967-70 R. A. Hinde, ScD
Brig.-Gen. H. R. Kelham, CB 1969-71 E. J. Hosking, FRPS
1928-29 Sir Frederick J. Jackson, KCMG & F. S. Mitchell 1969-72 D.L. Lack, ScD, FRS
1929-30 E. Bidwell & Rear Adm. H. Lynes, CB, CMG 1970-73 Sir Hugh Elliott, Bt, OBE, MA
1971-74 B. Campbell, PhD TREASURERS
1972-75 G. V. T. Matthews, PhD 1951-55 C. W. Mackworth-Praed, MA
1973-77 Mrs B. P. Hall 1956-76 A. G. S. Bryson, CA 1976-84 P. J. Wilkinson, MA
1974-78 S. Cramp, OBE
1975-79 D. W. Snow, DSc
1977-81 Prof. N. W. Moore, PhD EDITORS
1978-82 J. F. Monk, DM 1859-1864 P. L. Sclater, MA, FRS
1979-83 J. H. Elgood, MA 1865-1870 A. Newton, MA, FRS
1981-84 R. Gillmor, SWLA 1871-1876 O. Salvin, MA, FRS
1982-85 J. C. Coulson, DA 1877-1882 O. Salvin & P. L. Sclater
1983-86 C. M. Perrins, DPhil 1883-1888 P. L. Sclater & H. Saunders
1985-88 P. J. S. Olney, BSc 1889-1894 P. L. Sclater
1987-90 J. P. Croxall, PhD 1895-1900 P. L. Sclater & H. Saunders
1988-90 J. Kear, PhD 1901-1912 P.L. Sclater A. H. Evans, MA
1913-1928 W. L. Sclater, MA
SECRETARIES AND TREASURERS 1928- W. L. Sclater & H. C. Robinson
1858-1864 Prof. A. Newton, FRS 1929-1930 W.L. Sclater
1864-1870 O. Salvin, FRS 1931-1941 C. B. Ticehurst, MA
1870-1882 F. D. Godman, FRS 1941-1947 Capt. C. H. B. Grant
1882-1889 H. E. Dresser 1947-1960 R. E. Moreau, MA
1889-1897 F. D. Godman, FRS assisted by D. W. Snow, DPhil 1952-56
1897-1898 O. Salvin, FRS assisted by J. F. Monk, DM 1956-60
1898-1901 E. W. Oates 1960-1966 J. F. Monk, DM
1901-1907 H. Saunders assisted by N. P. Ashmole 1960-62
1907-1913 J. L. Bonhote, MA assisted by 1. Newton, DPhil 1965-67
1913-1936 E.C. S. Baker, CIB, OBE 1966-1968 The Rev. P. H. T. Hartley, MA
1936-1944 C. W. Mackworth-Praed, MA assisted by 1. Newton 1966-67
1940-1944 G. C. Low, MD (Acting) 1968 R. S. Bailey, DPhil (acting)
1944-1945 B. G. Harrison 1968-1973 D. W. Snow, DPhil
1945-1951 Miss P. Barclay-Smith assisted by R. S. Bailey 1968-71
assisted by Mrs B. P. Hall 1971-73
SECRETARIES 1973-1980 Earl of Cranbrook, PhD
1951-52 E. Banks 1967-72 J. F. Monk, DM assisted by Mrs E. M. Northcote, BSc 1973-78
1952-62 G. Mountfort 1972-81 P. J. S. Olney, BSc 1980-1988 J. Kear, PhD
1962-67 Sir Hugh Elliott, Bt assisted by B. D. S. Smith 1980-86
MEDALLISTS
FOUNDERS GOLD MEDAL 1973 Mrs B. P. Hall 1984 S. Cramp
Presented to the four original Members surviving at the Jubilee 1975 K.H.Voous - 1987 I. Newton
Celebration, 9 December 1908 1976 K. Williamson 1988 J. F. Monk
F. D. Godman W. H. Hudleston 1979 K.E. L. Simmons 1989 R. Spencer
P. S. Godman P. L. Sclater 1980 G. V. T. Matthews 1991 F. B. M. Campbell
UNION MEDAL
W. Goodfellow 1967 Salim Ali GODMAN-SALVIN MEDAL
C. H. B. Grant P. A. D. Hollom W. E. Clarke 1962 E. M. Nicholson
G. C. Shortridge G. Mountfort E. Hartert 1966 R. E. Moreau
A. F. R. Wollaston J. M. M. Fisher W. L. Sclater 1968 W. H. Thorpe
W. P. Lowe C. R. S. Pitman H. Lynes 1969 N. Tinbergen
W. B. Alexander C. W. Mackworth-Praed H. F. Witherby 1971 Sir Julian S. Huxley
E. A. Armstrong L. H. Brown P. R. Lowe 1977 V. C. Wynne-Edwards
D. A. Bannerman S. Marchant R. Meinertzhagen 1982 D. W. Snow
Miss E. V. Baster H. N. Southern D. L. Lack 1988 C. M. Perrins
P. M. Scott B. Stonehouse Sir A. Landsborough 1990 G. H. Dunnet
1960 C. W. Benson D. Goodwin Thomson 1991 D. A. Ratcliffe
N. W. Moore
