Table 9. Brownie results for song traits when birds are divided into either shorter learning (early song stability) and longer learning (delayed song stability plus song plasticity) (Two Rates) or early song stability, delayed song stability, and song plasticity (Three Rates).

Rate columns show mean log likelihood. Song traits are sorted from most to least significant.

Song trait	Two rates	Three rates	p-value
Syllable repertoire	-105.8156	-105.5532	0.469
Song repertoire	-97.9372	-97.7148	0.505

*Denotes traits where the more complex model fit the data significantly better than the simpler model.