690 results on '"Goymann, Wolfgang"'
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2. Eberhard Gwinner
3. Intralocus conflicts associated with a supergene
4. Life history and environment predict variation in testosterone across vertebrates
5. Biological Earth observation with animal sensors
6. Observations on the breeding biology of D'Arnaud's Barbet Trachyphonus darnaudii.
7. The relationship between daily behavior, hormones, and a color dimorphism in a seabird under natural continuous light
8. Early‐life demographic processes do not drive adult sex ratio biases and mating systems in sympatric coucal species.
9. Reprint of “Concepts derived from the Challenge Hypothesis”
10. Who rises to the challenge? Testing the Challenge Hypothesis in fish, amphibians, reptiles, and mammals
11. Challenge Hypothesis 2.0 : A Fresh Look at an Established Idea
12. Male-only care and cuckoldry in black coucals : does parenting hamper sex life?
13. Neuroendocrine patterns underlying seasonal song and year-round territoriality in male black redstarts
14. Natural variation in yolk fatty acids, but not androgens, predicts offspring fitness in a wild bird
15. Concepts derived from the Challenge Hypothesis
16. The function of collective signalling in a cuckoo
17. Metabolic Scaling of Stress Hormones in Vertebrates
18. Species-Specific Means and Within-Species Variance in Glucocorticoid Hormones and Speciation Rates in Birds
19. IUCN Conservation Status Does Not Predict Glucocorticoid Concentrations in Reptiles and Birds
20. Do Seasonal Glucocorticoid Changes Depend on Reproductive Investment? A Comparative Approach in Birds
21. Not one hormone or another: Aggression differentially affects progesterone and testosterone in a South American ovenbird
22. Environmental cues and dietary antioxidants affect breeding behavior and testosterone of male European starlings (Sturnus vulgaris)
23. Exogenous testosterone does not modulate aggression in sex-role-reversed female Barred Buttonquails, Turnix suscitator
24. Acute peaks of testosterone suppress paternal care: evidence from individual hormonal reaction norms
25. Ghrelin affects stopover decisions and food intake in a long-distance migrant
26. Territorial behaviour of thrush nightingales outside the breeding season
27. The Stress Response of European Stonechats Depends on the Type of Stressor
28. Corticosterone Metabolites Can be Measured Noninvasively in Excreta of European Stonechats (Saxicola torquata rubicola)
29. Territorial aggression does not feed back on testosterone in a multiple-brooded songbird species with breeding and non-breeding season territoriality, the European stonechat
30. Social, State-Dependent and Environmental Modulation of Faecal Corticosteroid Levels in Free-Ranging Female Spotted Hyenas
31. Pair-Bonding, Mating Systems and Hormones
32. Androgen-armoured amazons: reversed sex roles in coucals are associated with testosterone in females but not males
33. Seasonality of Life Histories in Tropical Birds: Circannual Rhythms and Zeitgeber
34. Über die biologischen Grundlagen von Geschlecht und Geschlechterrollen – und warum die Rollen bei manchen Vögeln ‚vertauscht‘ sind
35. Unexpected long-term retention of subcutaneous beeswax implants and additional notes on dose and composition from four testosterone implant studies
36. Biological sex is binary, even though there is a rainbow of sex roles
37. Additional information on methods, additional figures and tables from Androgen-armoured amazons: reversed sex roles in coucals are associated with testosterone in females but not males
38. Effects of body condition and food intake on stop-over decisions in Garden Warblers and European Robins during spring migration
39. On the natural history of duetting in White-browed Coucals: sex- and body-size-dependent differences in a collective vocal display
40. A supergene affects steroid metabolism during early ontogeny in a bird with alternative reproductive morphs
41. Ethology now publishes Registered Reports
42. Sex roles and sex ratios in animals
43. Mating systems, social behaviour and hormones
44. Certainty of paternity in two coucal species with divergent sex roles: the devil takes the hindmost
45. Verhaltensendokrinologie
46. Physiological conditions influence stopover behaviour of short-distance migratory passerines
47. Access to water affects the condition dependency of nocturnal restlessness in Garden Warblers on a Mediterranean island stopover
48. Reflections on Konrad Lorenz
49. A “feel‐free” format for ETHOLOGY
50. Unexpected long-term retention of subcutaneous beeswax implants and additional notes on dose and composition from four testosterone implant studies
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