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Esteban Fern Ndez-Juricic, Victor Enriquez, Claudio Campagna and Charles Leo Ortiz

VOCAL COMMUNICATION AND INDIVIDUAL VARIATION IN BREEDING SOUTH AMERICAN SEA LIONS by ESTEBAN FERN ³ NDEZ-JURICIC 1) , CLAUDIO CAMPAGNA 2,3) , VÍCTOR ENRIQUEZ 3) and CHARLES LEO ORTIZ 3,4) (Centro Nacional Patagonico, CONICET, 9120 Puerto Madryn, Argentina) (Acc. 31-III-1999) Summary The purpose

Sandra Blumenrath and Torben Dabelsteen

DEGRADATION OF GREAT TIT (PARUS MAJOR) SONG BEFORE AND AFTER FOLIATION: IMPLICATIONS FOR VOCAL COMMUNICATION IN A DECIDUOUS FOREST by SANDRA H. BLUMENRATH 1) and TORBEN DABELSTEEN 2) (Animal Behaviour Group & Centre for Sound Communication, Biological Institute, University of Copenhagen

Deborah Buitron and Gary L. Nuechterlein

PARENT-YOUNG VOCAL COMMUNICATION IN EARED GREBES by DEBORAH BUITRON and GARY L. NUECHTERLEIN1) (Zoology Department, North Dakota State University, Fargo, ND 58105 USA) (With 8 Figures) (Acc. 20-IV-1993) Summary In a series of experiments, we played eared grebe (Podiceps nigricollis) and western

Otto J. Sieber

VOCAL COMMUNICATION IN RACCOONS (PROCYON LOTOR) by OTTO J. SIEBER1)2) (Department of Zoological Research, U.S. National Zoological Park, Smithsonian Institution, Washington D.C. 20008, U.S.A.) (With 8 Figures) (Acc. 19-XII-1983) Introduction By mammalian standards, carnivores are rather vocal

David Gammon, Melinda Hendrick and Myron Baker

Vocal communication in a songbird with a novel song repertoire David E. Gammon 1,2,3) , Melinda C. Hendrick 2) & Myron C. Baker 2) ( 1 Biology Department, Elon University, Elon, NC 27244, USA; 2 Department of Biology, Colorado State University, Fort Collins, CO 80523-1878, USA) (Accepted: 12

P. Hague, E. Walters and Elizabeth Shillito Walser

A STATISTICAL ANALYSIS OF VOCAL COMMUNICATION BETWEEN EWES AND LAMBS by ELIZABETH SHILLITO WALSER1), E. WALTERS2) and P. HAGUE (ARC Institute of Animal Physiology, Babraham, Cambridge, England) (with 4 Figures) (Acc. 5-III-1983) The results from a series of experiments investigating vocal

Robert Robbins

VOCAL COMMUNICATION IN FREE-RANGING AFRICAN WILD DOGS (LYCAON PICTUS) by ROBERT L. ROBBINS 1,2) (Wild Dog Research, Hwange National Park, Private Bag WK 5941, Hwange, Zimbabwe) (Acc. 24-III-2000) Summary From 1992-1998, a study of up to six radio-collared packs of free-ranging African wild dogs

Peter Hague, Elizabeth Shillito Walser and Eurof Walters

VOCAL COMMUNICATION BETWEEN EWES AND THEIR OWN AND ALIEN LAMBS by ELIZABETH SHILLITO WALSER1), EUROF WALTERS2) and PETER HAGUE (A.R.C. Institute of Animal Physiology, Babraham, Cambridge, England) (With 1 Figure) (Acc. 16-VI-1982) Sheep bleat when they are isolated and some more domesticated

Kentwood D. Wells and Joshua J. Schwartz

VOCAL COMMUNICATION IN A NEOTROPICAL TREEFROG, HYLA EBRACCATA: AGGRESSIVE CALLS by KENTWOOD D. WELLS and JOSHUA J. SCHWARTZ1) (Biological Sciences Group, The University of Connecticut, Storrs, Connecticut 06268, U.S.A.) (With 7 Figures) (Acc. 20-II-1984) Introduction Males of many species of

C.G. Beer

VOCAL COMMUNICATION BETWEEN LAUGHING GULL PARENTS AND CHICKS by C. G. BEER 1) (Institute of Animal Behavior, Rutgers University, Newark, N.J., U.S.A.) (With 2 Figures) (Acc. 24-I-1979) INTRODUCTION In The Herring Gull's World (1953) TINBERGEN wrote that Herring Gull (Larus argentatus) parents