
Photo: Kim, Hyun-tae · CC BY 4.0 (May be cropped or resized)
Halcyon pileata
Clutch size
4–5 round white eggs
The black-capped kingfisher typically lays a single clutch of four or five round white eggs (Wikipedia, general species account).
That sentence is all the source read for the Bhutan guide gives. No plumage, size, range, habitat or diet information was found, so none is stated, and the entry is kept as short as the evidence allows. Its occurrence in Bhutan is flagged for checking.