Energetic state during learning affects foraging choices in starlings
We investigated the influence of energetic state at the time of acquaintance with a new food source on preference for that source on later encounters, using wild-caught European starlings as subjects. Twelve birds learned to obtain food rewards by pecking at either of two keys identified by color. T...
Главные авторы: | , , |
---|---|
Формат: | Journal article |
Язык: | English |
Опубликовано: |
2004
|