Age-related testosterone changes and corresponding song patterns in redwhiskered Bulbul (Pycnonotus jocosus Linnaeus, 1758)

• Main Authors: Panas Tumkiratiwong, Darika Manathamkamon, Rattanawat Chaiyarat, Kan Khoomsab
• Other Authors: Phetchabun Rajabhat University
• Format: Article
• Published: 2022
• Subjects: Multidisciplinary
• Online Access: https://repository.li.mahidol.ac.th/handle/123456789/79355
• Institution: Mahidol University

We monitored total testosterone profiles and song patterns of 12 males and 2 females Red-whiskered Bulbuls (Pycnonotus jocosus), aged 5-10 months. Each bird was maintained in a cage sized of 38 × 38 × 50 cm and raised in a 22 °C-controlled room-sized of 6 × 10 × 3.5 m. The song prototype was played...