Zoe P. Demery, Jackie Chappell, Graham R. Martin, Vision, touch and object manipulation in Senegal parrots Poicephalus senegalus, Proceedings: Biological Sciences ...

Subsongs are vocal trials uttered by young birds to practice songs. Among songbirds, subsongs are displayed by individuals in their first year of life. Studies on Zebra Finches Poephila guttata ...