Frankly speaking, the premise is completely wrong. Even if it is charming.
Species and their relations are not agreed upon, but are facts which are discovered. There should be different opinions.
Names are not creations which are centrally introduced, but products of evolution of communication. Names of birds used in real language will be different. Created names will be a fake official language.
English language is not owned nor created by English or Americans, but is a global common language. Most users are neither English nor American, and speak English as a second or third language.
The whole idea of 'a central bird list' and 'standard names' would be best fitting if there was a central sport competition of watching birds, and it would need a common scoring system.