51

The Foundations of Ethology: By Konrad Z. Lorenz. New York: Springer, 1981, xviii + 380 pp.

Year:
1982
Language:
english
File:
PDF, 327 KB
english, 1982
53

Schlaf bei Giraffiden

Year:
1962
Language:
german
File:
PDF, 1.11 MB
german, 1962
55

Experimentelle Untersuchungen zur Bedeutung der Rachenzeichnung junger Zebrafinken

Year:
1977
Language:
german
File:
PDF, 642 KB
german, 1977
56

Vocal Cues in Cotton-top Tamarin Play Vocalizations

Year:
1986
Language:
english
File:
PDF, 345 KB
english, 1986
58

HEAD-SCRATCHING IN THE PSITTACIFORMES

Year:
1962
Language:
english
File:
PDF, 526 KB
english, 1962
61

Behavioral and hormonal responses of male zebra finches to antiandrogens

Year:
1982
Language:
english
File:
PDF, 654 KB
english, 1982
63

Ecological Significance of Imprinting and Early Learning

Year:
1975
Language:
english
File:
PDF, 2.51 MB
english, 1975
65

ALLOPREENING IN S.A. BIRDS

Year:
1968
Language:
english
File:
PDF, 75 KB
english, 1968
67

Historische Anthropologie Aus Biologischer Sicht

Year:
1985
Language:
german
File:
PDF, 367 KB
german, 1985
68

Reputed Band Attractiveness and Sex Manipulation in Zebra Finches

Year:
1982
Language:
english
File:
PDF, 296 KB
english, 1982
69

Letters to the Editors

Year:
1977
Language:
english
File:
PDF, 1.56 MB
english, 1977
75

The sleep of the Emu

Year:
1960
File:
PDF, 272 KB
1960
76

Das Roentgenverfahren bei Erkrankungen der Harnorgane

Year:
1913
Language:
english
File:
PDF, 76 KB
english, 1913