Thanks! Are these the only changes? And how did you find them?
Some English names are changed too. I compared them together.
Scientific name v9.1 / Common name v9.1 / Common name v9.0
Nycticorax nycticorax / Black-crowned Night-heron /
Strix hadorami (S. butleri in v9.0) / Desert Tawny Owl / Hume's Owl
Lanius meridionalis / Iberian Grey Shrike / Southern Grey Shrike
Aegithalos iredalei / Red-headed Tit / Red-headed Bushtit
Aegithalos concinnus / Black-throated Tit / Black-throated Bushtit
Aegithalos annamensis / Grey-crowned Tit / Grey-crowned Bushtit
Aegithalos leucogenys / White-cheeked Tit / White-cheeked Bushtit
Aegithalos niveogularis / White-throated Tit / White-throated Tit
Aegithalos bonvaloti / Black-browed Tit / Black-browed Bushtit
Aegithalos iouschistos / Rufous-fronted Tit / Rufous-fronted Bushtit
Aegithalos fuliginosus / Sooty Tit / Sooty Bushtit
Aegithalos caudatus / Long-tailed Tit / Long-tailed Bushtit
Aegithalos glaucogularis / Silver-throated Tit / Silver-throated Bushtit
Psaltria exilis / Pygmy Tit / Pygmy Bushtit
Sylvia communis / Common Whitethroat / Greater Whitethroat
Garrulax bicolor / Sumatran Laughingthrush / Black-and-white Laughingthrush