Zappey's Flycatcher Cyanoptila cumatilis
Estimated average number of individuals by week based on eBird data, Jul 2012 to Jun 2022
Peak week Nov 26-Dec 02
Early date 02 Nov 2015
Late date 17 Apr 2008
Only adult males are identifiable in the field, as other plumages cannot be safely separated from Blue-and-white Flycatcher.