Complex sentence: It has also been recorded from Comoros and other Indian Ocean locations including at least four islands in the Seychelles; some of the latter records, all in October, November or May, may be due to vagrant birds carried by cyclones.
Split into simpler sentences: It has also been recorded from Comoros and other Indian Ocean locations including at least four islands in the Seychelles. Some of these records may be due to vagrant birds carried by cyclones.