Black-and-white-casqued Hornbill
Bycanistes subcylindricus

The black-and-white-casqued hornbill, also known as the grey-cheeked hornbill, is a large black and white hornbill. It has an oversized blackish bill with a large casque on top. The female is slightly smaller than the male and has a significantly smaller casque. It is a monogamous species, and pairs nest in suitable tree cavities. The female usually lays up to two eggs. The diet consists mainly of figs, fruits, insects and small animals found in the trees. Source
Where it is now
In the last 8 weeks this bird was recorded 628 times across 1 area (each area is a 5 degree square).
See the Black-and-white-casqued Hornbill on the live map
Arrival dates
The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| Africa | 16 March 2026 | 16 March 2026 | 21 September 2026 | 1 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.