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- Singh, Sudhi, et al. Show all 3 Authors
- Journal für Ornithologie 2005 v.146 no.4 pp. 355-364
- Ploceidae; beak; birds; breeding; circadian rhythm; color; luteinizing hormone; photophase; photosensitivity; pigmentation; pineal body; plumage; surgery
- ... We investigated whether pineal is part of the circadian clock system which regulates circadian rhythms of activity and photosensitivity in the Indian weaver bird (Ploceus philippinus). Two experiments were performed. The first experiment examined the induction of testicular growth, and androgen-dependent beak pigmentation and luteinizing hormone (LH)-specific plumage coloration in pinealectomised ...