Plasma Levels of Androgens and Gonadal Development of Breeders and Helpers in the Bell Miner (Manorina melanophrys)

Plasma Levels of Androgens and Gonadal Development of Breeders and Helpers in the Bell Miner (Manorina melanophrys)

Plasma concentration of androgens and gonad development were studied in wild cooperatively breeding bell miners (Manorina melanophrys) of different age, sex and social status. Plasma levels of androgens increased with age of birds. For sexually mature (SM) bell miners, androgen levels were higher in...

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Veröffentlicht in:Behavioral ecology and sociobiology 1994-01, Vol.34 (1), p.31-41
Hauptverfasser: Poiani, Aldo, Terry Fletcher
Format: Artikel
Sprache:eng
Schlagworte:
Androgens
Aviculture
Behavioral psychophysiology
Biological and medical sciences
Bird nesting
Breeding
Breeding seasons
Female animals
Fundamental and applied biological sciences. Psychology
Gonads
Hormones and behavior
Male animals
Manorina melanophrys
Mining
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Testosterone
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Zusammenfassung:Plasma concentration of androgens and gonad development were studied in wild cooperatively breeding bell miners (Manorina melanophrys) of different age, sex and social status. Plasma levels of androgens increased with age of birds. For sexually mature (SM) bell miners, androgen levels were higher in breeders than in non-breeding (NB) helpers (P
ISSN:0340-5443
1432-0762
DOI:10.1007/BF00175456