| Robust crow | |
|---|---|
| |
| The holotype skeleton of C. viriosus. | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Corvidae |
| Genus: | Corvus |
| Species: | †C. viriosus
|
| Binomial name | |
| †Corvus viriosus Olson & James, 1991
| |
The robust crow or slender-billed crow (Corvus viriosus) was a species of large, raven-sized crow that was endemic to the islands of Oahu and Molokai in the Hawaiian Islands during the Holocene. C. viriosus was frugivorous and was adapted for this with a long, slender bill. It was pushed to extinction due to the arrival of people and pests like rats.