Complex sentence: Wijesinghe published "A checklist of the birds of Sri Lanka" in 1994 which considered the addition of three more species, but this move did not receive widespread recognition because its rationale was not in keeping with rigorous taxonomic practice.
Split into simpler sentences: Wijesinghe published "A checklist of the birds of Sri Lanka" in 1994 which considered an addition of three more species. However this move did not receive widespread recognition because its treatment was not in keeping with rigorous taxonomic practice.