Part A: Non-passerines 6.2
Part B: Non-passerine references 6.2
Part C: Passerines 6.2
Part D: Passerine references 6.2
Part E: Hypothetical List 6.2
Part A: Non-passerines 6.2
Part B: Non-passerine references 6.2
Part C: Passerines 6.2
Part D: Passerine references 6.2
Part E: Hypothetical List 6.2