Energy budgets, risk and foraging preferences in dark-eyed juncos (Junco hyemalis)
β Scribed by Thomas Caraco
- Publisher
- Springer
- Year
- 1981
- Tongue
- English
- Weight
- 564 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0340-5443
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## This study investigates the effects of captivity and testosterone treatment on the volumes of brain regions involved in processing visual and spatial information in adult dark-eyed juncos (Junco hyemalis). We treated captive and free-living male juncos with either testosterone-filled or empty im