Right choice is (a) Pavo cristatus
For explanation: Pavo cristatus (Peacock) (Species: Cristatus; Genus: Pavo); Corvus corone (Crow) (Species: Corone; Genus: Corvus); Haliaeetus leucocephalus (Bald eagle) (Species: Leucocephalus; Genus: Haliaeetus); Barnardius zonarius (Australian ring necked parrot) (Species: Zonarius; Genus: Barnardius).