1 trol nuclei of a psittacine, the budgerigar (Melopsittacus undulatus).

2 nches (Taeniopygia guttata) and budgerigars (Melopsittacus undulatus).

3  to that previously found in the budgerigar (Melopsittacus undulatus).

4  in a vocal learning parrot, the budgerigar (Melopsittacus undulatus).

5 n vocal control nuclei of adult budgerigars (Melopsittacus undulatus), a parrot species capable of li

6                 The brain of the budgerigar (Melopsittacus undulatus), a small parrot that acquires n

7 calls of wild-caught Australian budgerigars (Melopsittacus undulatus) and compared these data to hear

8 opsins in two avian species, the budgerigar, Melopsittacus undulatus, and the mallard duck, Anas plat

9                            When budgerigars (Melopsittacus undulatus) are briefly held, simulating ca

10             The warble songs of budgerigars (Melopsittacus undulatus) are composed of a number of com

11 ealed that yawning increased in budgerigars (Melopsittacus undulatus) as ambient temperature was rais

12  previously unsequenced genome of the parrot Melopsittacus undulatus, as well as for RNA-Seq reads of

13 d out in cells and fibers of the budgerigar (Melopsittacus undulatus) brain.

14 alic vocal control system in the budgerigar (Melopsittacus undulatus) that has been hypothesized to r

15 tch were assessed in 5 nestling budgerigars (Melopsittacus undulatus) to determine if auditory feedba

16 were mapped out in a parrot, the budgerigar (Melopsittacus undulatus) to determine the relationships

17  of a vocal learning parrot, the budgerigar (Melopsittacus undulatus), was examined using iron histoc

18                      Adult male budgerigars (Melopsittacus undulatus) were stimulated to vocalize wit