Asian Emerald Cuckoo Chrysococcyx maculatus
Average number of individuals by week based on Singapore Bird Database data, Jul 2013 to Jun 2023 (all records)
Peak weeks Jan 01-Jan 07, Dec 24-Dec 30
Early date 29 Nov 2021
Late date 04 Apr 2020
Recently recorded from Dec to Apr, but appearances more likely timed with large caterpillar hatches.